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The '''United States of America''' (commonly referred to as '''the United States''', '''the USA''', '''the US''', or simply as '''America''') is a North American nation that consists of a federal union of fifty individual states and the federal District of Columbia. Its origins lie in the [[British Empire]]: it was founded on July 4, [[1776]] with the signing of the [[Declaration of Independence]], and its independence from Britain was formally recognized in 1783, following the [[American Revolutionary War|War of Independence]]. The US is currently the world's sole [[superpower]]; it has the world's largest economy, and is recognized as having the world's most powerful military.

The '''United States of America''' (commonly referred to as '''the United States''', '''the USA''', '''the US''', or simply as '''America''') is a North American nation that consists of a federal union of fifty individual states and the federal District of Columbia. Its origins lie in the [[British Empire]]: it was founded on July 4, [[1776]] with the signing of the [[Declaration of Independence]], and its independence from Britain was formally recognized in 1783, following the [[American Revolutionary War|War of Independence]]. The US is currently the world's sole [[superpower]]; it has the world's largest economy, and is recognized as having the world's most powerful, although somewhat inefficient and ineffective, military.