The United States of America (commonly referred to as the United States, the U.S., the USA, or 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 Alask...
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Area:
- 9,600,000 km² (3706581 mi² )
Time zone(s):
- Central Time zone ,
- North American Eastern Time Zone ,
- Mountain Time Zone ,
- Alaska Time Zone ,
- Pacific Time Zone ,
- Samoa Time Zone ,
- Atlantic Standard Time Zone ,
- Hawaii-Aleutian time zone
Population:
- 306,108,000 (Mar 29, 2009)
Date founded:
- Jul 4, 1776
Also known as:
- United States,
- USA,
- U.S.,
- America,
- United States of America,
- UNITED STATES Inc
