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  1. United States | History, Map, Flag, & Population

    网页1 天前 · United States, country in North America, a federal republic of 50 states. Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the …

  2. U.S. News and National Top Stories : NPR

  3. U.S. Department of State – Home

  4. The New York Times - Breaking News, US News, World News and …

  5. U.S. launches civil rights probe into Mississippi sheriff's office that ...

  6. Israel’s clash with Hezbollah strains U.S. effort to prevent wider war

  7. Demographics of the United States - Wikipedia

    网页2 天之前 · The U.S. population grew by 1.6 million from 2018 to 2019, with 38% of growth from immigration. [21] Population growth is fastest among minorities as a whole, and according to the Census Bureau's 2020 …

  8. U.S. state | History & Facts | Britannica - Encyclopedia …

    网页2024年9月3日 · U.S. state, first-order administrative unit of the United States, one of 50 constituent political entities (four of them called commonwealths) that share sovereignty with the federal government. …

  9. Politics of the United States - Wikipedia

    网页1 天前 · Flowchart of the U.S. federal political system. The United States is a constitutional federal republic, in which the president (the head of state and head of government), Congress, and judiciary share powers reserved to …

  10. United States - Colonization, Revolution, Constitution

    网页16 小时之前 · United States - Colonization, Revolution, Constitution: When Columbus arrived, he found the New World inhabited by peoples who in all likelihood had originally come from the continent of Asia. Probably these …

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