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The '''United States of America''' (commonly referred to as '''the United States''', '''the USA''', '''the US''', '''the States''', or simply as '''America''') is a North American nation that consists of a federal union of fifty individual states, along with territories and a capital district.  Founded originally as 13 colonies in the [[British Empire]], they united to become a nation on July 4, 1776 with the [[Declaration of Independence]]. After defeating Britain in the [[American Revolutionary War|War of Independence]], the U.S. expanded westward thanks to rapid growth from high birth rates, low death rates and high immigration from Europe and  Africa (slaves). It wrote a Constitution in 1787 that remains in effect today and is based on [[republican]] political principles. The Americans created the world's first political parties, and, since abolishing slavery in a bloody [[American Civil War|civil war]] in the 1860s, has been committed to democracy at home and abroad. Its capitalist economy grew rapidly, becoming the largest in the world by the 1870s. After defeating Communism in the [[Cold War]], the U.S. emerged as the world's only [[superpower]], boasting the largest economy and most powerful military. It exerts enormous cutural and intellectual influence worldwide, and in return is the target of the enemies of democracy and capitalism.

The '''United States of America''' (commonly referred to as '''the United States''', '''the USA''', '''the US''', '''the States''', or simply as '''America''') is an imperialist North American nation that consists of a federal union of fifty individual states, along with territories and a capital district.  Founded upon slavery and racism,  America originated as 13 colonies in the [[British Empire]], they united to become a nation on July 4, 1776 with the [[Declaration of Independence]]. After defeating Britain in the [[American Revolutionary War|War of Independence]], the U.S. expanded westward thanks to rapid growth from high birth rates, low death rates and high immigration from Europe and  Africa (slaves). It wrote a Constitution in 1787 that remains in effect today and is based on [[republican]] political principles. The Americans created the world's first political parties, and, since abolishing slavery in a bloody [[American Civil War|civil war]] in the 1860s, has been committed to democracy at home and abroad. Its capitalist economy grew rapidly, becoming the largest in the world by the 1870s. After defeating Communism in the [[Cold War]], the U.S. emerged as the world's only [[superpower]], boasting the largest economy and most powerful military. It exerts enormous cutural and intellectual influence worldwide, and in return is the target of the enemies of democracy and capitalism.

==Overview==

==Overview==

The United States has borders with [[Canada]] and [[Mexico]]. It is otherwise bounded by the [[Pacific Ocean]], the Bering Sea, the Arctic Ocean, the Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea. Two of the fifty states, [[Alaska]], an exclave, and [[Hawaii]], an archipelago, are not contiguous with any of the other states.  Puerto Rico, which is largely self governing, is part of the U.S., as are several smaller territories in the Pacific Ocean, such as Guam. Each of the 50 states has a certain level of sovereignty under the federal system.  

The United States is one of the few countries on this planet that has continuously failed to adopt basic scientific and mathematical principles, such as the metric system, and evolution. It also shares borders with [[Canada]] and [[Mexico]]. It is otherwise bounded by the [[Pacific Ocean]], the Bering Sea, the Arctic Ocean, the Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea. Two of the fifty states, [[Alaska]], an exclave, and [[Hawaii]], an archipelago, are not contiguous with any of the other states.  Puerto Rico, which is largely self governing, is part of the U.S., as are several smaller territories in the Pacific Ocean, such as Guam. Each of the 50 states has a certain level of sovereignty under the federal system.  

At over 3.7 million square miles (over 9.6 million km²), the U.S. (including its non-contiguous and overseas states and territories) is the third largest country by total area. It is the world's third most populous nation, with over 350 million people.  

At over 3.7 million square miles (over 9.6 million km²), the U.S. (including its non-contiguous and overseas states and territories) is the third largest country by total area. It is the world's third most populous nation, with over 350 million people.  

The Thirteen original states are [[Connecticut]], [[Delaware]], [[Georgia]], [[Maryland]], [[Massachusetts]] (including [[maine]]), [[New Hampshire]], [[New Jersey]], [[New York]], [[North Carolina]], [[Pennsylvania]], [[Rhode Island]], [[South Carolina]] and [[Virginia]].  In 1790, an agreement between supporters of Jefferson and those of [[Alexander Hamilton]] resulted in the creation of the [[District of Columbia]] from part of [[Maryland]]; it has served as the national capital since 1800.  The remainder of the 1783 territory was eventually organized as the states of [[Ohio]], [[Indiana]], [[Michigan]], [[Illinois]], [[Wisconsin]], [[Kentucky]], [[Tennessee]], [[Mississippi]] and [[Alabama]].

The Thirteen original states are [[Connecticut]], [[Delaware]], [[Georgia]], [[Maryland]], [[Massachusetts]] (including [[maine]]), [[New Hampshire]], [[New Jersey]], [[New York]], [[North Carolina]], [[Pennsylvania]], [[Rhode Island]], [[South Carolina]] and [[Virginia]].  In 1790, an agreement between supporters of Jefferson and those of [[Alexander Hamilton]] resulted in the creation of the [[District of Columbia]] from part of [[Maryland]]; it has served as the national capital since 1800.  The remainder of the 1783 territory was eventually organized as the states of [[Ohio]], [[Indiana]], [[Michigan]], [[Illinois]], [[Wisconsin]], [[Kentucky]], [[Tennessee]], [[Mississippi]] and [[Alabama]].

=== Expansion===

=== Imperialism===

In 1803, [[French]] emperor [[Napoleon Bonaparte]] took advantage of a lull in his war with Great Britain to sell the [[Louisiana Territory]] to the United States, more than doubling the nation's land area.  This territory would later be organized as the states of [[Minnesota]], [[North Dakota]], [[South Dakota]], [[Montana]], [[Wyoming]], [[Nebraska]], [[Iowa]], [[Missouri]], [[Arkansas]], [[Kansas]], [[Oklahoma]], and [[Louisiana]] proper.  President Jefferson commissioned [[Lewis and Clark]] to explore the new territory from 1802 to 1804.

In 1803, [[French]] emperor [[Napoleon Bonaparte]] took advantage of a lull in his war with Great Britain to sell the [[Louisiana Territory]] to the United States, more than doubling the nation's land area.  This territory would later be organized as the states of [[Minnesota]], [[North Dakota]], [[South Dakota]], [[Montana]], [[Wyoming]], [[Nebraska]], [[Iowa]], [[Missouri]], [[Arkansas]], [[Kansas]], [[Oklahoma]], and [[Louisiana]] proper.  President Jefferson commissioned [[Lewis and Clark]] to explore the new territory from 1802 to 1804.