United States, officially United States of America, abbreviated U.S. or U.S.A., byname America, country in North America, a federal republic of 50 states the United States includes the state of Alaska.
The United States contains a highly diverse population. Unlike a country such as China that largely incorporated indigenous peoples, the United States has a diversity that to a great degree has come from an immense and sustained global immigration. Probably no other country has a wider range of racial, ethnic, and cultural types than does the United States.
The United States is the worldu2019s greatest economic power, measured in terms of gross domestic product (GDP). The nationu2019s wealth is partly a reflection of its rich natural resources
The United States is relatively young by world standards, being less than 250 years old; it achieved its current size only in the mid-20th century.United States is a great sprawling interior.
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Perfect for those looking to experience the regionu2019s archaeological and cultural treasures in a short amount of time, this adventure includes a four-day trek along the Inca Trail.