United States (nation)
This article was accepted into the corpus but its outbound wikilinks were never NER-processed — typical at the deepest BFS hop or when the run's entity cap was reached. No expansion funnel to show.
| United States (nation) | |
|---|---|
.png) | |
| Conventional long name | United States of America |
| Common name | United States |
| Capital | Washington, D.C. |
| Largest city | New York City |
| Official languages | None at federal level |
| Government type | Federal presidential constitutional republic |
| Area km2 | 9833517 |
| Population estimate | 331449281 |
| Currency | United States dollar |
| Time zones | UTC−12 to UTC+12 |
United States (nation) is a federal republic located primarily in North America, comprising fifty constituent states, a federal district, and various insular areas. It is a constitutional union created by the American Revolutionary War, the Declaration of Independence and the United States Constitution, with foundational political development connected to figures such as George Washington, Thomas Jefferson, and James Madison.
Etymology and Names
The name "America" derives from the explorer Amerigo Vespucci, and the designation "United States of America" appeared in the Declaration of Independence and the Articles of Confederation, later codified by the Constitution of the United States. Early colonial references include British America, New Spain, and French Louisiana, while diplomatic terminology evolved through treaties such as the Treaty of Paris (1783) and the Louisiana Purchase negotiations.
History
Colonial settlement began with Jamestown and Plymouth Colony, leading to clashes like King Philip's War and transatlantic trade networks tied to the Atlantic slave trade. Revolutionary-era events include the Boston Tea Party, the Continental Congress, and military campaigns led by commanders such as George Washington culminating in the Siege of Yorktown. The early republic saw the passage of the Bill of Rights and territorial expansion via the Louisiana Purchase and the Mexican–American War. The nation was fractured by the American Civil War between the Union and the Confederate States of America, followed by Reconstruction and industrialization tied to figures like Andrew Carnegie and John D. Rockefeller. The 20th century featured participation in the Spanish–American War, World War I, and World War II, leadership in institutions such as the United Nations and alliances like NATO, and domestic transformations from the New Deal to the Civil Rights Movement with leaders like Franklin D. Roosevelt and Martin Luther King Jr.. Late 20th and early 21st-century developments included the end of the Cold War with the Soviet Union, economic globalization associated with the NAFTA, conflicts such as the Gulf War and the War in Afghanistan, and political events involving presidencies of Ronald Reagan, Bill Clinton, George W. Bush, Barack Obama, and Donald Trump.
Geography and Environment
The nation's physical extent spans from the Arctic waters of Alaska to the Atlantic shores of Maine and the Pacific coasts of California and Hawaii, encompassing regions like the Great Plains, the Appalachian Mountains, the Rocky Mountains, and the Mississippi River basin. U.S. environmental policy has engaged with issues related to the Yellowstone National Park conservation model, legislation such as the Clean Air Act and the Endangered Species Act, and international agreements like the Paris Agreement. Natural hazards include hurricanes affecting Florida and Gulf of Mexico coasts, earthquakes along the San Andreas Fault, and volcanic activity in Hawaii.
Government and Politics
The federal structure established by the Constitution of the United States divides authority among the President, the Congress—composed of the Senate and the House—and the Supreme Court. Political contests are dominated by the Democratic Party and the Republican Party, while movements such as Progressivism and events like the Watergate scandal have reshaped governance. Federalism creates legal interplay with state institutions including the New York State Assembly and the California State Legislature, and election processes involve mechanisms like the Electoral College and decisions of the Federal Election Commission and the Supreme Court.
Economy
The nation has a large mixed-market economy with sectors led by corporations like Apple Inc., Walmart, and ExxonMobil, financial centers such as Wall Street and institutions including the Federal Reserve System, the World Bank, and participation in trade agreements like USMCA. Industrial and technological innovation clusters appear in regions like Silicon Valley, Research Triangle, and cities including New York City and Chicago, with major infrastructure like the Interstate Highway System and the Panama Canal connections. Economic policy has been shaped by laws such as the Glass–Steagall Act (historical), fiscal measures enacted by the Congress, and crises like the Great Depression and the 2008 financial crisis.
Demographics and Society
Population centers include New York City, Los Angeles, and Chicago, with demographic change driven by immigration waves via ports such as Ellis Island and policies including the Immigration and Nationality Act of 1965. Social movements—among them the Civil Rights Movement, Women's suffrage, and LGBT rights—have influenced law and society, intersecting with institutions like the Supreme Court of the United States and statutes such as the Civil Rights Act of 1964. Public health responses have engaged agencies like the Centers for Disease Control and Prevention during events such as the COVID-19 pandemic; demographic statistics are compiled by the United States Census Bureau.
Culture and Education
Cultural production ranges from literature by authors like Mark Twain and Toni Morrison to music forms such as jazz, blues, and rock and roll associated with artists like Louis Armstrong and Elvis Presley, and film and television industries centered in Hollywood. Higher education institutions include Harvard University, Massachusetts Institute of Technology, and Stanford University, while cultural landmarks include the Smithsonian Institution and the Metropolitan Museum of Art. Mass media organizations such as The New York Times and broadcasters like the NBC shape public discourse alongside awards like the Pulitzer Prize and the Nobel Prize laureates from U.S. institutions.
Category:Countries