The United States of America, commonly known as the United States or America, is a country primarily located in North America. It is a federal union of 50 states and the federal capital district of Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south. The State of Alaska lies to the northwest, while the State of Hawaii is …The United States of America, commonly known as the United States or America, is a country primarily located in North America. It is a federal union of 50 states and the federal capital district of Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south. The State of Alaska lies to the northwest, while the State of Hawaii is an archipelago in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands. The country has the world's third-largest land area, largest exclusive economic zone, and third-largest population, exceeding 334 million. Its three largest metropolitan areas are New York, Los Angeles, and Chicago, and its three most-populous states are California, Texas, and Florida.
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