United States, which is also commonly called USA and America, is composed of 50 states, a federal district, a major self-governing region, and various subdivisions. 48 Contemporary State and Federal District, in Central and North America, between Canada and Mexico. The state of Alaska is located in the north-western part of North America, before which the border of Canada and the Bering watershed in the west have fallen from Russia, the same state of Hawaii is located in central Pacific.
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