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9-12 Teacher Representative,
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Andrew McGettrick
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ACM Representative,
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Michelle Page
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CSTA Committees include:
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The United States of America , commonly known as the United States or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district , and 326 Indian reservations. Outside the union of states, it asserts sovereignty over five major unincorporated island territorie...
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Paleo-Indians migrated across the Bering land bridge more than 12,000 years ago. British colonization led to the first settlement of the Thirteen Colonies in Virginia in 1607. Clashes with the British Crown over taxation and political representation sparked the American Revolution, with the Second Continental Congress ...
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The U.S. national government is a presidential constitutional republic and liberal democracy with three separate branches: legislative, executive, and judicial. It has a bicameral national legislature composed of the House of Representatives, a lower house based on population; and the Senate, an upper house based on eq...
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One of the world's most developed countries, the United States has had the largest nominal GDP since 1890 and accounted for 15% of the global economy in 2023. It possesses by far the largest amount of wealth of any country and the highest median income per capita of any non-microstate. The U.S. ranks among the world's ...
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The first documentary evidence of the phrase "United States of America" dates back to a letter from January 2, 1776, written by Stephen Moylan, a Continental Army aide to General George Washington, to Joseph Reed, Washington's aide-de-camp. Moylan expressed his desire to go "with full and ample powers from the United S...
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By June 1776, the name "United States of America" appeared in drafts of the Articles of Confederation and Perpetual Union, authored by John Dickinson, a Founding Father from the Province of Pennsylvania, and in the Declaration of Independence, written primarily by Thomas Jefferson and adopted by the Second Continental ...
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The first inhabitants of North America migrated from Siberia across the Bering land bridge at least 12,000 years ago; the Clovis culture, which appeared around 11,000 BC, is believed to be the first widespread culture in the Americas. Over time, indigenous North American cultures grew increasingly sophisticated, and so...
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Christopher Columbus began exploring the Caribbean in 1492, leading to Spanish settlements in present-day Puerto Rico, Florida, and New Mexico. France established its own settlements along the Mississippi River and Gulf of Mexico. British colonization of the East Coast began with the Virginia Colony and Plymouth Colon...
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The original Thirteen Colonies that would later found the United States were administered by Great Britain, and had local governments with elections open to most white male property owners. The colonial population grew rapidly, eclipsing Native American populations; by the 1770s, the natural increase of the population ...
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After winning the French and Indian War, Britain began to assert greater control over local colonial affairs, creating colonial political resistance; one of the primary colonial grievances was a denial of their rights as Englishmen, particularly the right to representation in the British government that taxed them. In ...
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After the British surrender at the siege of Yorktown in 1781, American sovereignty was internationally recognized by the Treaty of Paris , through which the U.S. gained territory stretching west to the Mississippi River, north to present-day Canada, and south to Spanish Florida. Ratified in 1781, the Articles of Confed...
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In the late 18th century, American settlers began to expand westward, some with a sense of manifest destiny. The Louisiana Purchase from France nearly doubled the territory of the United States. Lingering issues with Britain remained, leading to the War of 1812, which was fought to a draw. Spain ceded Florida and its ...
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During the colonial period, slavery was legal in the American colonies, though the practice began to be significantly questioned during the American Revolution. States in The North enacted abolition laws, though support for slavery strengthened in Southern states, as inventions such as the cotton gin made the instituti...
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Eleven slave states seceded and formed the Confederate States of America, while the other states remained in the Union. War broke out in April 1861 after the Confederacy bombarded Fort Sumter. After the January 1863 Emancipation Proclamation, many freed slaves joined the Union Army. The war began to turn in the Union's...
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The Reconstruction era followed the war. After the assassination of President Abraham Lincoln, Reconstruction Amendments were passed to protect the rights of African Americans. National infrastructure, including transcontinental telegraph and railroads, spurred growth in the American frontier.
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From 1865 through 1917 an unprecedented stream of immigrants arrived in the United States, including 24.4 million from Europe. Most came through the port of New York City, and New York City and other large cities on the East Coast became home to large Jewish, Irish, and Italian populations, while many Germans and Centr...
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The Compromise of 1877 effectively ended Reconstruction and white supremacists took local control of Southern politics. African Americans endured a period of heightened, overt racism following Reconstruction, a time often called the nadir of American race relations. A series of Supreme Court decisions, including Plessy...
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An explosion of technological advancement accompanied by the exploitation of cheap immigrant labor led to rapid economic development during the late 19th and early 20th centuries, allowing the United States to outpace England, France, and Germany combined. This fostered the amassing of power by a few prominent industri...
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Pro-American elements in Hawaii overthrew the Hawaiian monarchy; the islands were annexed in 1898. Puerto Rico, Guam, and the Philippines were ceded by Spain following the Spanish–American War. American Samoa was acquired by the United States in 1900 after the Second Samoan Civil War. The U.S. Virgin Islands were purch...
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At first neutral during World War II, the U.S. began supplying war materiel to the Allies of World War II in March 1941 and entered the war in December after the Empire of Japan's attack on Pearl Harbor. The U.S. developed the first nuclear weapons and used them against the Japanese cities of Hiroshima and Nagasaki in ...
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After World War II, the United States entered the Cold War, where geopolitical tensions between the U.S. and the Soviet Union led the two countries to dominate world affairs. The U.S. engaged in regime change against governments perceived to be aligned with the Soviet Union, and competed in the Space Race, culminating ...
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Domestically, the U.S. experienced economic growth, urbanization, and population growth following World War II. The civil rights movement emerged, with Martin Luther King Jr. becoming a prominent leader in the early 1960s. The Great Society plan of President Lyndon Johnson's administration resulted in groundbreaking an...
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The 1990s saw the longest recorded economic expansion in American history, a dramatic decline in crime, and advances in technology, with the World Wide Web, the evolution of the Pentium microprocessor in accordance with Moore's law, rechargeable lithium-ion batteries, the first gene therapy trial, and cloning all emerg...
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The September 11, 2001 attacks by the pan-Islamist militant organization Al-Qaeda led to the war on terror and subsequent military interventions in Afghanistan and Iraq. The cultural impact of the attacks was profound and long-lasting.
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The U.S. housing bubble culminated in 2007 with the Great Recession, the largest economic contraction since the Great Depression. Coming to a head in the 2010s, political polarization increased as sociopolitical debates on cultural issues dominated politics. This polarization was capitalized upon in the January 2021 Ca...
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The United States is the world's third-largest country by total area behind Russia and Canada. The 48 contiguous states and the District of Columbia occupy a combined area of 3,119,885 square miles . The coastal plain of the Atlantic seaboard gives way to inland forests and rolling hills in the Piedmont plateau region.
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The Appalachian Mountains and the Adirondack massif separate the East Coast from the Great Lakes and the grasslands of the Midwest. The Mississippi River System—the world's fourth longest river system—runs mainly north–south through the heart of the country. The flat, fertile prairie of the Great Plains stretches to th...
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The Rocky Mountains, west of the Great Plains, extend north to south across the country, peaking at over 14,000 feet in Colorado. Farther west are the rocky Great Basin and Chihuahua, Sonoran, and Mojave deserts. In the northwest corner of Arizona, carved by the Colorado River over millions of years, is the Grand Cany...
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The Sierra Nevada and Cascade mountain ranges run close to the Pacific coast. The lowest and highest points in the contiguous United States are in the state of California, about 84 miles apart. At an elevation of 20,310 feet , Alaska's Denali is the highest peak in the country and continent. Active volcanoes are commo...
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With its large size and geographic variety, the United States includes most climate types. East of the 100th meridian, the climate ranges from humid continental in the north to humid subtropical in the south. The western Great Plains are semi-arid. Many mountainous areas of the American West have an alpine climate. The...
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States bordering the Gulf of Mexico are prone to hurricanes, and most of the world's tornadoes occur in the country, mainly in Tornado Alley. Overall, the United States receives more high-impact extreme weather incidents than any other country. Extreme weather became more frequent in the U.S. in the 21st century, with ...
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The U.S. is one of 17 megadiverse countries containing large numbers of endemic species: about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland. The United States is home to 428 mammal s...
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There are 63 national parks, and hundreds of other federally managed parks, forests, and wilderness areas, managed by the National Park Service and other agencies. About 28% of the country's land is publicly owned and federally managed, primarily in the western states. Most of this land is protected, though some is lea...
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Environmental issues in the United States include debates on non-renewable resources and nuclear energy, air and water pollution, biodiversity, logging and deforestation, and climate change. The U.S. Environmental Protection Agency is the federal agency charged with addressing most environmental-related issues. The id...
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The United States is a federal republic of 50 states, with its capital in a federal district, asserting sovereignty over five unincorporated territories and several uninhabited island possessions . It is the world's oldest surviving federation, and, according to the World Economic Forum, the oldest democracy as well. I...
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Composed of three branches, all headquartered in Washington, D.C., the federal government is the national government of the United States. It is regulated by a strong system of checks and balances.
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The three-branch system is known as the presidential system, in contrast to the parliamentary system, where the executive is part of the legislative body. Many countries around the world copied this aspect of the 1789 Constitution of the United States, especially in the Americas.
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The Constitution is silent on political parties. However, they developed independently in the 18th century with the Federalist and Anti-Federalist parties. Since then, the United States has operated as a de facto two-party system, though the parties in that system have been different at different times.
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The two main national parties are presently the Democratic and the Republican. The former is perceived as relatively liberal in its political platform while the latter is perceived as relatively conservative. Each has a primary system to nominate a presidential ticket, and each runs candidates for other offices in ever...
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In the American federal system, sovereign powers are shared between two levels of elected government: national and state. People in the states are also represented by local elected governments, which are administrative divisions of the states. States are subdivided into counties or county equivalents, and further divid...
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The United States has an established structure of foreign relations, and it has the world's second-largest diplomatic corps as of 2024. It is a permanent member of the United Nations Security Council, and home to the United Nations headquarters. The United States is a member of the G7, G20, and OECD intergovernmental o...
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The United States has a "Special Relationship" with the United Kingdom and strong ties with Canada, Australia, New Zealand, the Philippines, Japan, South Korea, Israel, and several European Union countries . The U.S. works closely with its NATO allies on military and national security issues, and with countries in the ...
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The President is the commander-in-chief of the United States Armed Forces and appoints its leaders, the secretary of defense and the Joint Chiefs of Staff. The Department of Defense, which is headquartered at the Pentagon near Washington, D.C., administers five of the six service branches, which are made up of the Army...
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The United States spent $877 billion on its military in 2022, which is by far the largest amount of any country, making up 39% of global military spending and accounting for 3.5% of the country's GDP. The U.S. has 45% of the world's nuclear weapons, the second-largest amount after Russia.
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The United States has the third-largest combined armed forces in the world, behind the Chinese People's Liberation Army and Indian Armed Forces. The military operates about 800 bases and facilities abroad, and maintains deployments greater than 100 active duty personnel in 25 foreign countries.
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There are about 18,000 U.S. police agencies from local to national level in the United States. Law in the United States is mainly enforced by local police departments and sheriff departments in their municipal or county jurisdictions. The state police departments have authority in their respective state, and federal ag...
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As of January 2023, the United States has the sixth highest per-capita incarceration rate in the world, at 531 people per 100,000; and the largest prison and jail population in the world with almost 2 million people incarcerated. An analysis of the World Health Organization Mortality Database from 2010 showed U.S. homi...
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The U.S. has been the world's largest economy nominally since about 1890. The 2023 nominal U.S. gross domestic product of $27 trillion was the largest in the world, constituting over 25% of the global economy or 15% at purchasing power parity . From 1983 to 2008, U.S. real compounded annual GDP growth was 3.3%, compar...
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Of the world's 500 largest companies, 136 are headquartered in the U.S. The U.S. dollar is the currency most used in international transactions and is the world's foremost reserve currency, backed by the country's dominant economy, its military, the petrodollar system, and its linked eurodollar and large U.S. treasurie...
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New York City is the world's principal financial center and the epicenter of the world's largest metropolitan economy. The New York Stock Exchange and Nasdaq, both located in New York City, are the world's two largest stock exchanges by market capitalization and trade volume. The United States is at or near the forefro...
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Americans have the highest average household and employee income among OECD member states, and the fourth-highest median household income, up from sixth-highest in 2013. Wealth in the United States is highly concentrated; the richest 10% of the adult population own 72% of the country's household wealth, while the botto...
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The United States has a smaller welfare state and redistributes less income through government action than most other high-income countries. It is the only advanced economy that does not guarantee its workers paid vacation nationally and is one of a few countries in the world without federal paid family leave as a lega...
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The United States has been a leader in technological innovation since the late 19th century and scientific research since the mid-20th century. Methods for producing interchangeable parts and the establishment of a machine tool industry enabled the large-scale manufacturing of U.S. consumer products in the late 19th ce...
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In 2022, the United States was the country with the second-highest number of published scientific papers. As of 2021, the U.S. ranked second by the number of patent applications, and third by trademark and industrial design applications. In 2023, the United States ranked 3rd in the Global Innovation Index.
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As of 2022, the United States receives approximately 81% of its energy from fossil fuel and the largest source of the country's energy came from petroleum , followed by natural gas , renewable sources , coal , and nuclear power . The United States constitutes less than 5% of the world's population, but consumes 17% of ...
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Personal transportation in the United States is dominated by automobiles, which operate on a network of 4 million miles of public roads, making it the longest network in the world. The Oldsmobile Curved Dash and the Ford Model T, both American cars, are considered the first mass-produced and mass-affordable cars, resp...
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The American civil airline industry is entirely privately owned and has been largely deregulated since 1978, while most major airports are publicly owned. The three largest airlines in the world by passengers carried are U.S.-based; American Airlines is number one after its 2013 acquisition by US Airways. Of the world'...
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Of the fifty busiest container ports, four are located in the United States, of which the busiest is the Port of Los Angeles. The country's inland waterways are the world's fifth-longest, and total 41,009 km .
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The U.S. Census Bureau reported 331,449,281 residents as of April 1, 2020, making the United States the third-most-populous country in the world, after China and India. According to the Bureau's U.S. Population Clock, on January 28, 2021, the U.S. population had a net gain of one person every 100 seconds, or about 864 ...
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The United States has a diverse population; 37 ancestry groups have more than one million members. White Americans with ancestry from Europe, the Middle East or North Africa, form the largest racial and ethnic group at 57.8% of the United States population. Hispanic and Latino Americans form the second-largest group an...
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While many languages are spoken in the United States, English is by far the most commonly spoken and written. Although there is no official language at the federal level, some laws, such as U.S. naturalization requirements, standardize English, and most states have declared it the official language. Three states and fo...
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According to the American Community Survey in 2010, some 229 million people out of the total U.S. population of 308 million spoke only English at home. About 37 million spoke Spanish at home, making it the second most commonly used language. Other languages spoken at home by one million people or more include Chinese ,...
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America's immigrant population, 51 million, is by far the world's largest in absolute terms. In 2022, there were 87.7 million immigrants and U.S.-born children of immigrants in the United States, accounting for nearly 27% of the overall U.S. population. In 2017, out of the U.S. foreign-born population, some 45% were n...
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The First Amendment guarantees the free exercise of religion and forbids Congress from passing laws respecting its establishment. Religious practice is widespread, among the most diverse in the world, and profoundly vibrant. The country has the world's largest Christian population. A majority of the global Jewish popul...
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The overwhelming majority of Americans believe in a higher power or spiritual force, engage in spiritual practices such as prayer, and consider themselves religious or spiritual. In the "Bible Belt", located within the Southern United States, evangelical Protestantism plays a significant role culturally, whereas New En...
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About 82% of Americans live in urban areas, including suburbs; about half of those reside in cities with populations over 50,000. In 2022, 333 incorporated municipalities had populations over 100,000, nine cities had more than one million residents, and four cities had populations exceeding two million. Many U.S. metr...
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According to the Centers for Disease Control , average American life expectancy at birth was 77.5 years in 2022 . This was a gain of 1.1 years from 76.4 years in 2021, but the CDC noted that the new average "didn't fully offset the loss of 2.4 years between 2019 and 2021". The COVID pandemic and higher overall mortalit...
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American primary and secondary education is decentralized. It is operated by state, territorial, and sometimes municipal governments and regulated by the U.S. Department of Education. In general, children are required to attend school or an approved homeschool from the age of five or six until they are 18 years old. ...
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U.S. tertiary or higher education has earned a global reputation. Many of the world's top universities, as listed by various ranking organizations, are in the United States, including 19 of the top 25. American higher education is dominated by state university systems, although the country's many private universities a...
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Colleges and universities directly funded by the federal government are limited to military personnel and government employees and include the U.S. service academies, the Naval Postgraduate School, and military staff colleges. Local community colleges generally offer coursework and degree programs covering the first tw...
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As for public expenditures on higher education, the U.S. spends more per student than the OECD average, and more than all nations in combined public and private spending. Despite some student loan forgiveness programs in place, student loan debt has increased by 102% in the last decade, and exceeded 1.7 trillion dollar...
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Americans have traditionally been characterized by a unifying political belief in an "American creed" emphasizing liberty, equality under the law, democracy, social equality, property rights, and a preference for limited government. Culturally, the country has been described as having the values of individualism and pe...
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Nearly all present Americans or their ancestors came from Europe, Africa, and Asia within the past five centuries. Mainstream American culture is a Western culture largely derived from the traditions of European immigrants with influences from many other sources, such as traditions brought by slaves from Africa. More ...
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The United States is considered to have the strongest protections of free speech of any country under the First Amendment, which protects flag desecration, hate speech, blasphemy, and lese-majesty as forms of protected expression. A 2016 Pew Research Center poll found that Americans were the most supportive of free exp...
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Colonial American authors were influenced by John Locke and various other Enlightenment philosophers. Before and shortly after the Revolutionary War, the newspaper rose to prominence, filling a demand for anti-British national literature. Led by Ralph Waldo Emerson and Margaret Fuller in New England, transcendentalism ...
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While modernism generally took on an international character, modernist authors working within the United States more often rooted their work in specific regions, peoples, and cultures. Following the Great Migration to northern cities, African-American and black West Indian authors of the Harlem Renaissance developed a...
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Media is broadly uncensored, with the First Amendment providing significant protections, as reiterated in New York Times Co. v. United States. The four major broadcasters in the U.S. are the National Broadcasting Company , Columbia Broadcasting System , American Broadcasting Company , and Fox Broadcasting Company . The...
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U.S. newspapers with a global reach and reputation include The Wall Street Journal, The New York Times, The Washington Post, and USA Today. About 800 publications are produced in Spanish. With few exceptions, newspapers are privately owned, either by large chains such as Gannett or McClatchy, which own dozens or even h...
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As of 2022, the video game market of the United States is the world's largest by revenue. There are 444 publishers, developers, and hardware companies in California alone.
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The United States is well known for its cinema and theater. Mainstream theater in the United States derives from the old European theatrical tradition and has been heavily influenced by the British theater. By the middle of the 19th century America had created new distinct dramatic forms in the Tom Shows, the showboat ...
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Many movie and television stars have gotten their big break working in New York productions. Outside New York City, many cities have professional regional or resident theater companies that produce their own seasons. The biggest-budget theatrical productions are musicals. U.S. theater has an active community theater cu...
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The Tony Awards recognizes excellence in live Broadway theatre and are presented at an annual ceremony in Manhattan. The awards are given for Broadway productions and performances. One is also given for regional theatre. Several discretionary non-competitive awards are given as well, including a Special Tony Award, the...
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In the visual arts, the Hudson River School was a mid-19th-century movement in the tradition of European naturalism. The 1913 Armory Show in New York City, an exhibition of European modernist art, shocked the public and transformed the U.S. art scene.
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Georgia O'Keeffe, Marsden Hartley, and others experimented with new and individualistic styles, which would become known as American modernism. Major artistic movements such as the abstract expressionism of Jackson Pollock and Willem de Kooning and the pop art of Andy Warhol and Roy Lichtenstein developed largely in th...
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The tide of modernism and then postmodernism has brought global fame to American architects, including Frank Lloyd Wright, Philip Johnson, and Frank Gehry. The Metropolitan Museum of Art in Manhattan is the largest art museum in the United States.
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American folk music encompasses numerous music genres, variously known as traditional music, traditional folk music, contemporary folk music, or roots music. Many traditional songs have been sung within the same family or folk group for generations, and sometimes trace back to such origins as the British Isles, Mainlan...
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Elements from folk idioms such as the blues and old-time music were adopted and transformed into popular genres with global audiences. Jazz grew from blues and ragtime in the early 20th century, developing from the innovations and recordings of composers such as W.C. Handy and Jelly Roll Morton. Louis Armstrong and Duk...
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The United States has the world's largest music market with a total retail value of $15.9 billion in 2022. Most of the world's major record companies are based in the U.S.; they are represented by the Recording Industry Association of America . Mid-20th-century American pop stars, such as Frank Sinatra and Elvis Presle...
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The United States and China collectively account for the majority of global apparel demand. Apart from professional business attire, American fashion is eclectic and predominantly informal. While Americans' diverse cultural roots are reflected in their clothing, sneakers, jeans, T-shirts, and baseball caps are emblemat...
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The headquarters of many designer labels reside in Manhattan. Labels cater to niche markets, such as pre teens. There has been a trend in the United States fashion towards sustainable clothing. New York Fashion Week is one of the most influential fashion weeks in the world, and occurs twice a year.
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The U.S. film industry has a worldwide influence and following. Hollywood, a district in northern Los Angeles, the nation's second-most populous city, is also metonymous for the American filmmaking industry, the third-largest in the world, following India and Nigeria. The major film studios of the United States are the...
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The industry enjoyed its golden years, in what is commonly referred to as the "Golden Age of Hollywood", from the early sound period until the early 1960s, with screen actors such as John Wayne and Marilyn Monroe becoming iconic figures. In the 1970s, "New Hollywood" or the "Hollywood Renaissance" was defined by gritti...
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Early settlers were introduced by Native Americans to foods such as turkey, sweet potatoes, corn, squash, and maple syrup. Of the most enduring and pervasive examples are variations of the native dish called succotash. Early settlers and later immigrants combined these with foods they were familiar with, such as wheat ...
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Characteristic American dishes such as apple pie, fried chicken, doughnuts, french fries, macaroni and cheese, ice cream, pizza, hamburgers, and hot dogs derive from the recipes of various immigrant groups. Mexican dishes such as burritos and tacos preexisted the United States in areas later annexed from Mexico, and ad...
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The United States restaurant industry was projected at $899 billion in sales for 2020, and employed more than 15 million people, representing 10% of the nation's workforce directly. It is the country's second-largest private employer and the third-largest employer overall. The United States is home to over 220 Michelin...