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For questions relating to the country known as the United States of America.

The United States of America, commonly known as the United States is a country consisting of 50 states, a federal district, five major self-governing territories, and various possessions.

The United States of America (USA), commonly known as the United States (U.S. or US) or America, is a country consisting of 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles (9.8 million km2), it is the world's third or fourth-largest country by total area and is slightly smaller than the entire continent of Europe. Most of the country is located in central North America between Canada and Mexico. With an estimated population of over 328 million, the U.S. is the third most populous country in the world. The capital is Washington, D.C., and the most populous city is New York City.

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Map of territorial acquisitions of the United States between 1783 and 1917