Outline of the United States


An enlargeable relief map of the United States of America

The United States of America is a federal constitutional republic comprising fifty states and a federal district. The country is situated mostly in central North America, where its forty-eight contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south. The state of Alaska is in the northwest of the continent, with Canada to its east and Russia to the west across the Bering Strait, and the state of Hawaii is in the mid-Pacific. The United States also possesses several territories, or insular areas, scattered around the Caribbean and Pacific.

The following outline is provided as an overview of and topical guide to the United States of America:

Contents


General reference

An enlargeable map of the United States showing the population density in 2000

Geography of the United States

An enlargeable topographic map of the contiguous United States
 Canada 8,893 km[1]
 Mexico 3,141 km
  • Coastline: 19,924 km

Environment of the United States

An enlargeable satellite composite image of the contiguous United States. Deciduous vegetation and grasslands prevail in the east, transitioning to prairies, boreal forests, the Rocky Mountains in the west, and deserts in the southwest.

Geographic features of the United States

Main article: Landforms of the United States
View from the North Rim of the Grand Canyon, a World Heritage Site
View from the North Rim of the Grand Canyon, a World Heritage Site

Regions of the United States


Physiographic divisions of the United States

The geography of the United States varies across their immense area. Within the contential U.S., eight distinct physiographic divisions exist, though each is composed of several smaller physiographic subdivisions.[2] These major divisions are:

Administrative divisions of the United States

States of the United States

At the Declaration of Independence, the United States consisted of 13 states, former colonies of the United Kingdom. In the following years, the number of states has grown steadily due to expansion to the west, conquest and purchase of lands by the American government, and division of existing states to the current number of 50 United States:

Map of the United States with state border lines. Note that Alaska and Hawaii are shown at different scales, and that the Aleutian Islands and the uninhabited northwestern Hawaiian Islands are omitted from this map.

Territories of the United States

Location of the insular areas of the United States:      The United States of America      Incorporated unorganized territory      Unincorporated organized territory      Unincorporated unorganized territory      Freely associated commonwealth

Incorporated organized territories
  • none since 1959

Incorporated unorganized territories

Unincorporated organized territories

Unincorporated unorganized territories

Geography of the states and territories

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Demography of the United States

Main article: Demography of the United States

Demographics of the states and territories

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Climate of the United States


Government and politics in the United States

Main articles: Government of the United States and Politics of the United States

Federal government

Legislative branch

Executive branch

Federal executive departments

All departments are listed by their present-day name and only departments with past or present cabinet-level status are listed. Order of succession applies only to within the cabinet; the vice president has always been first in the line of succession, and the Speaker of the House and the President pro tem of the Senate have at times been included.

Department Creation Order of
succession
Modifications since creation 2007 Budget
in billions
of dollars
Employees (2007)
State 1789 1 Initially named "Department of Foreign Affairs" 9.96 30,266
Treasury 1789 2 11.10 115,897
Defense 1947 3 Initially named "National Military Establishment" 439.30 3,000,000
Justice 1870 4 Position of Attorney General created in 1789, but had no department until 1870 23.40 112,557
Interior 1849 5 10.70 71,436
Agriculture 1889 6 77.60 109,832
Commerce 1903 7 Originally named Commerce and Labor; Labor later separated 6.20 36,000
Labor 1913 8 59.70 17,347
Health and Human Services 1953 9 Originally named Health, Education, and Welfare; Education later separated 543.20 67,000
Housing and Urban Development 1965 10 46.20 10,600
Transportation 1966 11 58.00 58,622
Energy 1977 12 21.50 116,100
Education 1979 13 62.80 4,487
Veterans Affairs 1989 14 73.20 235,000
Homeland Security 2002 15 44.60 208,000
Total budget (fiscal year 2007): 1,523.42 4,193,144

Judicial branch

State and territory governments

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Politics of the states and territories

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Foreign relations

Military

Intelligence Organizations

Headquarters of the Central Intelligence Agency

Law of the United States

Main article: Law of the United States

History of the United States

John Trumbull's famous painting is usually incorrectly identified as a depiction of the signing of the Declaration of Independence, but it actually shows the drafting committee presenting its work to the Congress.

Period-coverage

History of the states and territories

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Presidents of the United States


Culture of the United States

Main article: Culture of the United States

American cuisine

See also: List of United States dishes

Cuisine of the states and territories

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The Arts in the United States

Music in the United States

Genres

Music in the states and territories

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Sports in the United States

Main article: Sports in the United States

List of Major Sports Leagues in the United States

Main article: Major North American professional sports leagues

Sports by state and territory

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Education in the United States

Main article: Education in the United States

Education in the states and territories

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Economy of the United States

Main article: Economy of the United States

Economy by state and territory

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Infrastructure of the United States

See also

Wikipedia
English language edition of Wikipedia, the free encyclopedia

References

  1. ^ The total length of the land border between Canada and the United States is the longest between any two countries.
  2. ^ "Physiographic Regions". United States Geological Survey. 2003-04-17. http://tapestry.usgs.gov/physiogr/physio.html. Retrieved on 2008-01-30. 
  3. ^ DOI Office of Internal Affairs http://www.doi.gov/oia/Islandpages/wakepage.htm

External links

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