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  1. Hace 1 día · The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district (Washington, D.C.), and 326 Indian reservations.

  2. Hace 1 día · The economic history of the United States is about characteristics of and important developments in the economy of the U.S., from the colonial era to the present. The emphasis is on productivity and economic performance and how the economy was affected by new technologies, the change of size in economic sectors and the effects of ...

  3. Hace 2 días · United States Army, major branch of the United States armed forces charged with the preservation of peace and security and the defense of the country. The army furnishes most of the ground forces in the U.S. military organization. Learn more about the history of the U.S. Army in this article.

    • The Editors of Encyclopaedia Britannica
  4. Hace 4 días · Congress of the United States, the legislature of the United States of America, established under the Constitution of 1789 and separated structurally from the executive and judicial branches of government. It consists of two houses: the Senate, in which each state, regardless of its size, is.

    • The Editors of Encyclopaedia Britannica
  5. Hace 3 días · White House. presidential office and residence, Washington, District of Columbia, United States. Also known as: Executive Mansion, President’s Palace. Written by. B. Philip Bigler. Historian and humanities teacher. Author of Washington in Focus; In Honored Glory; Hostile Fire; and others. B. Philip Bigler. Fact-checked by.

  6. Hace 1 día · 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 the national government, and the federal government shares sovereignty with the state governments. The federal government is divided into three branches, as per the specific ...