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  1. 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, between Canada and Mexico. It is a liberal democracy and republic of 50 federated states, a federal capital district (Washington, D.C.), and 326 Indian reservations that overlap ...

  2. Gli Stati Uniti d'America (comunemente indicati come Stati Uniti, in inglese United States of America o anche solo United States; in sigla USA) sono una repubblica federale dell'America settentrionale composta da cinquanta Stati e un distretto federale.

    • Stati Uniti d'America
    • Washington DC (709 265 ab. / 2021)
    • United States of America
    • Nessuna a livello federale (de iure), Inglese (de facto)
  3. The United States of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major territories, and various minor islands. Both the states and the United States as a whole are each sovereign jurisdictions.

    Flag, Name And Postal Abbreviation [8]
    Flag, Name And Postal Abbreviation [8]
    Cities(largest [12])
  4. United States of America ( U.S.A. or USA ), commonly known as the United States ( U.S., US or the States ), or simply America, is a sovereign country mostly in North America. It is divided into 50 states. Forty-eight of these states and the District of Columbia border each other between the Pacific and Atlantic Oceans.

    • Area
    • General Characteristics
    • Physiographic Divisions
    • Climate
    • Natural Disasters
    • Public Lands
    • Human
    • Further Reading
    • External Links

    From 1989 through 1996, the total area of the US was listed as 9,372,610 km2 (3,618,780 sq mi) (land and inland water only). The listed total area changed to 9,629,091 km2 (3,717,813 sq mi) in 1997 (Great Lakes area and coastal waters added), to 9,631,418 km2 (3,718,711 sq mi) in 2004, to 9,631,420 km2 (3,718,710 sq mi) in 2006, and to 9,826,630 km...

    The United States shares land borders with Canada to the north and Mexico to the south, a territorial water border with Russia in the northwest, and two territorial water borders in the southeast between Florida and Cuba, and Florida and the Bahamas. The contiguous 48 states are otherwise bounded by the Pacific Ocean on the west, the Atlantic Ocean...

    Within the continental U.S. there are eight distinct physiographic divisions. These major divisions are: 1. Laurentian Upland – part of the Canadian Shield that extends into the northern United States Great Lakesarea. 2. Atlantic Plain – the coastal regions of the eastern and southern parts include the continental shelf, the Atlantic Coast and the ...

    Due to its large size and wide range of geographic features, the United States contains examples of nearly every global climate. The climate is subtropical in the Southern United States, continental in the north, tropical in Hawaii and southern Florida, polar in Alaska, semiarid in the Great Plains west of the 100th meridian, Mediterranean in coast...

    The United States is affected by a variety of natural disasters yearly. Although drought is rare, it has occasionally caused major disruption, such as during the Dust Bowl(1931–1942). Farmland failed throughout the Plains, entire regions were substantially depopulated, and dust storms ravaged the land.

    The United States holds many areas for the use and enjoyment of the public. These include national parks, national monuments, national forests, wilderness areas, and other areas. For lists of areas, see the following articles: 1. List of National Parks of the United States 2. List of National Natural Landmarks 3. List of U.S. National Forests 4. Li...

    In terms of human geography, the United States is inhabited by a diverse set of ethnicities and cultures.

    Brown, Ralph Hall, Historical Geography of the United States, New York : Harcourt, Brace, 1948
    Stein, Mark, How the States Got Their Shapes, New York : Smithsonian Books/Collins, 2008. ISBN 978-0-06-143138-8
  5. Current territories of the United States after the Trust Territory of the Pacific Islands was given independence in 1994. The history of the lands that became the United States began with the arrival of the first people in the Americas around 15,000 BC.