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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.
The United States became the world's leading industrial power at the turn of the 20th century, due to an outburst of entrepreneurship and industrialization and the arrival of millions of immigrant workers and farmers. A national railroad network was completed and large-scale mines and factories were established.
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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
Flag, Name And Postal Abbreviation [8]Flag, Name And Postal Abbreviation [8]Cities(capital)Cities(largest [12])ALAKAZAR- 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, 1948Stein, Mark, How the States Got Their Shapes, New York : Smithsonian Books/Collins, 2008. ISBN 978-0-06-143138-8The United States had an official estimated resident population of 334,914,895 on July 1, 2023, according to the U.S. Census Bureau. This figure includes the 50 states and the Washington, D.C. but excludes the population of five unincorporated U.S. territories (Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, and the Northern Mariana Islands) as well as several minor island possessions.
The United States of America is a federal republic of 50 states, a federal district, and a number of other territories. It is located mostly in central North America.
In the United States, politics functions within a framework of a constitutional federal republic and presidential system, with three distinct branches that share powers: the U.S. Congress which forms the legislative branch, a bicameral legislative body comprising .
