what continent is the usa located in?
North America
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 In his book The Three Americas ( 1935 ) , Widney suggested that the United States , Canada , the United Kingdom , Australia , New Zealand , and South Africa form an Anglo @-@ Saxon federation with freedom of migration and a common citizenship . 

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 The U.S. exercises full international defense authority and responsibility for three sovereign nations through Compact of Free Association with Micronesia , the Marshall Islands and Palau . These are Pacific island nations , once part of the U.S.-administered Trust Territory of the Pacific Islands after World War II , which gained independence in subsequent years . 

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 = = = = Central and South America = = = = 

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 The United States of America ( USA ) , commonly referred to as the United States ( U.S. ) or America , is a federal republic composed of 50 states , the federal district of Washington , D.C. , five major self @-@ governing territories , and various possessions . The 48 contiguous states and federal district are in central North America between Canada and Mexico , with the state of Alaska in the northwestern part of North America and the state of Hawaii comprising an archipelago in the mid @-@ Pacific . The territories are scattered about the Pacific Ocean and the Caribbean Sea . At 3 @.@ 8 million square miles ( 9 @.@ 8 million km2 ) and with over 320 million people , the U.S. is the world 's third largest country by total area ( and fourth largest by land area ) and the third most populous . It is one of the world 's most ethnically diverse and multicultural nations , the product of large @-@ scale immigration from many other countries . The geography and climate are also extremely diverse , and the country is home to a wide variety of wildlife . 

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 = = = To the U.S. , Europe and Mideast = = = 
