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Administrative divisions (GPS Maps)

Geography

People and Society

Government

Economy

Communications

Transportation

Military


Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of overseas possessions. The two most traumatic experiences in the nation's history were the Civil War (1861-65), in which a northern Union of states defeated a secessionist Confederacy of 11 southern slave states, and the Great Depression of the 1930s, an economic downturn during which about a quarter of the labor force lost its jobs. Buoyed by victories in World Wars I and II and the end of the Cold War in 1991, the US remains the world's most powerful nation state. Since the end of World War II, the economy has achieved relatively steady growth, low unemployment and inflation, and rapid advances in technology.


Communications

Telephones - main lines in use World Ranking: 2
151 million (2009)

Telephones - mobile cellular World Ranking: 3
279 million (2009)

Telephone system
General assessment
A large, technologically advanced, multipurpose communications system
Domestic
A large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country
International
Country code - 1; multiple ocean cable systems provide international connectivity; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000)

Broadcast media
4 major terrestrial TV networks with affiliate stations throughout the country, plus cable and satellite networks, independent stations, and a limited public broadcasting sector that is largely supported by private grants; overall, thousands of TV stations broadcasting; multiple national radio networks with many affiliate stations; while most stations are commercial, National Public Radio (NPR) has a network of some 600 member stations; satellite radio available; overall, nearly 15,000 radio stations operating (2008)

Internet country code
.us

Internet hosts World Ranking: 1
498 million (2011); note - the US Internet total host count includes the following top level domain host addresses: .us, .com, .edu, .gov, .mil, .net, and .org

Internet users World Ranking: 2
245 million (2009)


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  United States (Washington, D. C. ):




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