United States wiki:
>For alternative meanings, see the disambiguation page for US, USA, United States, or American (disambiguation).'' The United States of America is a federal democratic republic situated primarily in central North America. It is a Union of 50 federal states, one federal district, and 14 territories.It is also referred to, with varying formality, as the United States, the U.S. (or the US), the U.S.A. (or the USA), the U.S. of A. (or the US of A), the States, or simply and most commonly, America.The United States shares land borders with Canada (to the north) and Mexico (to the south), and territorial water boundaries with Canada, Russia, the Bahamas, and numerous smaller nations. It is otherwise bounded by the Pacific Ocean and the Bering Sea, in the west; the Arctic Ocean, in the northernmost areas; and the Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea, in the eastern and southeastern areas.
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