美国 - 维基百科，自由的百科全书
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United States - Wikipedia
The United States of America (USA), commonly known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal union of 50 states and a federal …
The social, economic, and political history of the United States ...
The U.S. is a federal republic with two legislative houses; its head of state and government is the president. The territory was originally inhabited for several thousand years by numerous …
U.S. Department of State – Home
Jan 21, 2025 · Restoring a Tough U.S.-Cuba Policy The State Department promotes accountability for the Cuban regime for oppressing its people and rejects Cuba’s malign …
United States - The World Factbook
Jan 29, 2025 · The United States entry in The World Factbook provides a comprehensive overview of the country's geography, people, society, government, economy, and more.
United States | History, Map, Flag, & Population | Britannica
5 days ago · Stalled voting rights legislation, the fate of the filibuster, and the appointment of Ketanji Brown Jackson to the U.S. Supreme Court; Foreign affairs: U.S. withdrawal from …
Federal Agencies - United States Department of State
Sep 4, 2024 · Office of the U.S. Special Coordinator for Tibetan Issues; Office to Monitor and Combat Trafficking in Persons; Economic Growth, Energy, and Environment. Economic …
The U.S. and its government - USAGov
Get facts about the U.S., its laws, history, and statistics. Buy government property. Learn about the president and how to contact elected officials and federal agencies.
Making government services easier to find | USAGov
Learn about U.S. laws, history, and more. Buy government property. Contact elected officials and federal agencies.
U.S. facts and figures - USAGov
Learn about the United States, including American holidays, the American flag, presidents, census data, and the U.S. Constitution.