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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. 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 [[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. 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.

==Overview==

==Overview==

The United States has land borders with Canada and Mexico, as well as several territorial water boundaries with Canada, Russia and The Bahamas. 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. Alaska in located in northwest North America and the Hawaiian Islands in the Pacific Ocean. The United States also has a collection of overseas territories and possessions around the world. Each of the 50 states has a high level of local autonomy under the federal system.  

The United States has land borders with [[Canada]] and [[Mexico]], as well as several territorial water boundaries with Canada, [[Russia]] and The Bahamas. 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. Alaska in located in northwest North America and the Hawaiian Islands in the Pacific Ocean. The United States also has a collection of overseas territories and possessions around the world. Each of the 50 states has a high level of local autonomy 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 300 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 300 million people.  

American military, economic, cultural, and political influence increased through the 19th and 20th centuries. Since the mid-20th century, the United States has become a dominant global influence in contemporary economic, political, military, scientific, technological and cultural matters. With the collapse of the Soviet Union at the end of the Cold War, the nation emerged as the world's sole remaining superpower, greatly influencing world affairs, as it continues to do today.

American military, economic, cultural, and political influence increased through the 19th and 20th centuries. Since the mid-20th century, the United States has become a dominant global influence in contemporary economic, political, military, scientific, technological and cultural matters. With the collapse of the [[Soviet Union]] at the end of the [[Cold War]], the nation emerged as the world's sole remaining superpower, greatly influencing world affairs, as it continues to do today.

==Background==

==Background==

[[Image:76485685i79.jpg|right|thumb|300px|The drafting committee presenting the [[Declaration of Independence]] to the [[Continental Congress]], painted by John Trumbull 1817–1819.]]

[[Image:76485685i79.jpg|right|thumb|300px|The drafting committee presenting the [[Declaration of Independence]] to the [[Continental Congress]], painted by John Trumbull 1817–1819.]]

[[George Washington]], [[Thomas Jefferson]], and other [[Founding Fathers]] formally established the United States by the ratification of the [[U.S. Constitution]] in 1788.  Since the presidency of [[John Quincy Adams]] the United States has been governed by one of two [[political parties]] in a [[republic]] increasingly tending towards [[democracy]] as the [[franchise]] has expanded.  The younger of the two existing major parties, the [[Republican Party]], was created in 1854.  Between independence in 1776 and ratification of the [[Constitution]] in 1788, the United States' governing documents included the [[Articles of Confederation]] and the [[Declaration of Independence]] itself.

[[George Washington]], [[Thomas Jefferson]], and other [[Founding Fathers]] formally established the United States by the ratification of the [[U.S. Constitution]] in 1788.  Since the presidency of [[John Quincy Adams]] the United States has been governed by one of two [[political parties]] in a [[republic]] increasingly tending towards [[democracy]] as the [[franchise]] has expanded.  The younger of the two existing major parties, the [[Republican Party]], was created in 1854.  Between independence in 1776 and ratification of the [[Constitution]] in 1788, the United States' governing documents included the [[Articles of Confederation]] and the [[Declaration of Independence]] itself.

==History and geography==

==History and geography==

[[Image:56eugyjnm.jpg|right|thumb|300px|[[White House]], the official home and workplace of the [[President of the United States]] of America.]]

 

In 1783, when the [[Peace of Paris]] concluded hostilities against [[Great Britain]], the former [[colonial power]], the United States' population totaled some three million [[citizens]] and [[slaves]] living on slightly less than one million square miles of land.  An unknown number of [[Native Americans]] also lived in the western part of the United States, which was then bordered on the west by the [[Mississippi River]], on the north by [[Lake Superior]], [[Lake Huron]], [[Lake Erie]] and [[Lake Ontario]], on the east by the [[Atlantic Ocean]], and on the south by [[Florida]], then controlled by [[Spain]]. The land border with [[Canada]] was not clarified until the [[Rush-Bagot Agreement]] of 1816.

[[Image:56eugyjnm.jpg|right|thumb|300px|The [[White House]], the official home and workplace of the [[President of the United States]] of America.]]

 

In 1783, when the [[Peace of Paris]] concluded hostilities against [[Great Britain]], the former [[colonial power]], the United States' population totaled some three million [[citizens]] and [[slaves]] living on slightly less than one million square miles of land.  An unknown number of [[Native Americans]] also lived in the western part of the United States, which was then bordered on the west by the [[Mississippi River]], on the north by [[Lake Superior]], [[Lake Huron]], [[Lake Erie]] and [[Lake Ontario]], on the east by the [[Atlantic Ocean]], and on the south by [[Florida]], then controlled by [[Spain]]. The land border with Canada was not clarified until the [[Rush-Bagot Agreement]] of 1816.

The majority of the taxable population lived in the thirteen original [[states]].  In alphabetical order they are [[Connecticut]], [[Delaware]], [[Georgia]], [[Maryland]], [[Massachusetts]], [[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 from 1800 on.  The remainder of the 1783 territory was eventually organized as the states of [[Ohio]], [[Indiana]], [[Michigan]], [[Illinois]], [[Wisconsin]], [[Kentucky]], [[Tennessee]], [[Mississippi]] and [[Alabama]].  Two additional states were added during the first fifty years by [[secession]] from existing states: [[Vermont]] from New York, and [[Maine]] from Massachusetts.  After that, the legality of [[secession]] became an issue.

The majority of the taxable population lived in the thirteen original [[states]].  In alphabetical order they are [[Connecticut]], [[Delaware]], [[Georgia]], [[Maryland]], [[Massachusetts]], [[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 from 1800 on.  The remainder of the 1783 territory was eventually organized as the states of [[Ohio]], [[Indiana]], [[Michigan]], [[Illinois]], [[Wisconsin]], [[Kentucky]], [[Tennessee]], [[Mississippi]] and [[Alabama]].  Two additional states were added during the first fifty years by [[secession]] from existing states: [[Vermont]] from New York, and [[Maine]] from Massachusetts.  After that, the legality of [[secession]] became an issue.

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, which they did 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, which they did from 1802 to 1804.

[[Florida]] and [[Texas]] joined the United States as a result of [[revolutions]] by settlers from the United States against their central governments.  Florida's was fought in 1810, while the much better remembered [[Texas Revolution]] was fought in 1836.  While Spain was willing to cut its losses in Florida and relinquished any claims on the state in the [[Adams-Oniz Agreement]] of 1819, one of the successors to its empire in the Americas, [[Mexico]], was considerably more attached to Texas and fought the [[Mexican War]] between 1846 and 1848 to reverse its annexation by the United States.  Losing badly, Mexico was forced to cede the sparsely populated northern portion of itself under the [[Treaty of Guadalupe Hidalgo]].  This territory eventually became the states of [[California]], [[Nevada]], [[Utah]], [[Colorado]], [[New Mexico]] and [[Arizona]].  At approximately the same time, [[President]] [[James K. Polk]] had agreed with the British that the 49th Parallel (degree of latitude) would serve as the boundary between the U. S. and Canada from [[Lake of the Woods]] (partially in Minnesota) to the [[Pacific Ocean]].  This territory was later organized as the states of [[Washington]], [[Oregon]] and [[Idaho]].

[[Florida]] and [[Texas]] joined the United States as a result of [[revolutions]] by settlers from the United States against their central governments.  Florida's was fought in 1810, while the much better remembered [[Texas Revolution]] was fought in 1836.  While Spain was willing to cut its losses in Florida and relinquished any claims on the state in the [[Adams-Oniz Agreement]] of 1819, one of the successors to its empire in the Americas, Mexico, was considerably more attached to Texas and fought the [[Mexican War]] between 1846 and 1848 to reverse its annexation by the United States.  Losing badly, Mexico was forced to cede the sparsely populated northern portion of itself under the [[Treaty of Guadalupe Hidalgo]].  This territory eventually became the states of [[California]], [[Nevada]], [[Utah]], [[Colorado]], [[New Mexico]] and [[Arizona]].  At approximately the same time, [[President]] [[James K. Polk]] had agreed with the British that the 49th Parallel (degree of latitude) would serve as the boundary between the U. S. and Canada from [[Lake of the Woods]] (partially in Minnesota) to the [[Pacific Ocean]].  This territory was later organized as the states of [[Washington]], [[Oregon]] and [[Idaho]].

In 1867, [[Secretary of State]] [[William Seward]] purchased [[Alaska]] from [[Russia]]. Alaska is the westernmost extremity of [[North America]] bounded on the east by Canada, on the south by the Pacific Ocean, on the west by the [[Bering Strait]] and on the north by the [[Arctic Ocean]].  At $7,000,000, Alaska cost the United States considerably less per acre than the [[Mexican Cession]] and slightly less than the Louisiana Territory. Of course, [[inflation]] was less of a factor at this time due to the world [[economy]] still being principally [[agrarian]]. Although at the time it was considered a foolish bargain, Alaska would later become a large source of economic prosperity due to large gold, oil, and other natural resources. Alaska would not be admitted as a state until 1959.

In 1867, [[Secretary of State]] [[William Seward]] purchased [[Alaska]] from [[Russia]]. Alaska is the westernmost extremity of [[North America]] bounded on the east by Canada, on the south by the Pacific Ocean, on the west by the [[Bering Strait]] and on the north by the [[Arctic Ocean]].  At $7,000,000, Alaska cost the United States considerably less per acre than the [[Mexican Cession]] and slightly less than the Louisiana Territory. Of course, [[inflation]] was less of a factor at this time due to the world [[economy]] still being principally [[agrarian]]. Although at the time it was considered a foolish bargain, Alaska would later become a large source of economic prosperity due to large gold, oil, and other natural resources. Alaska would not be admitted as a state until 1959.

The United States has occasionally relinquished territory.  The most significant example of this was certainly the granting of independence in 1946 to the [[Phillippines]] as part of the general [[decolonization]] of [[Asia]] and [[Africa]] following [[World War II]].  Under both [[autocratic]] and [[democratic]] governments, the Phillippines have subsequently remained a strong American ally, and today contribute more troops to the U. S. [[military]] than some states.  Other Pacific territories such as the [[Federated States of Micronesia]] and [[Palau]] have also become independent in the postwar era with little objection from opinion leaders on the mainland.  More controversial was the 1977 agreement between President [[Jimmy Carter]] and [[General]] [[Omar Torrijos]] to return the [[Panama Canal Zone]], which had been part of the United States since 1914, to [[Panama]] in the year 2000.  Ultimately the United States lived up to this agreement despite the worst fears of both [[liberals]] (who decried [[Operation Just Cause]], the 1989 invasion of Panama) and [[conservatives]] (who feared the management of the [[Panama Canal]] by [[Chinese]] interests).

The United States has occasionally relinquished territory.  The most significant example of this was certainly the granting of independence in 1946 to the [[Phillippines]] as part of the general [[decolonization]] of [[Asia]] and [[Africa]] following [[World War II]].  Under both [[autocratic]] and [[democratic]] governments, the Phillippines have subsequently remained a strong American ally, and today contribute more troops to the U. S. [[military]] than some states.  Other Pacific territories such as the [[Federated States of Micronesia]] and [[Palau]] have also become independent in the postwar era with little objection from opinion leaders on the mainland.  More controversial was the 1977 agreement between President [[Jimmy Carter]] and [[General]] [[Omar Torrijos]] to return the [[Panama Canal Zone]], which had been part of the United States since 1914, to [[Panama]] in the year 2000.  Ultimately the United States lived up to this agreement despite the worst fears of both [[liberals]] (who decried [[Operation Just Cause]], the 1989 invasion of Panama) and [[conservatives]] (who feared the management of the [[Panama Canal]] by [[Chinese]] interests).

During the early years of the 21st century, the USA, in its [[War On Terror]], declared shortly after the attacks on the Twin Towers on September 11th, became more heavily involved in international politics, culminating in the [[Iraq War]]. Its human rights record, however, has fallen under question, with the use of [[torture]] and [[extraordinary rendition]] at [[Guantanamo Bay detention centre]]; likewise, its commitment to international peacekeeping and development is called into question by its refusal to pay its [[United Nations]] dues (currently, even after the reluctantly signed Helms-Biden agreement, the United States still owes 41%, or $1.246 billion dollars, to the United Nations that it has refused to pay <ref>http://www.un.org/ga/president/55/speech/una_usa.htm</ref>).

During the early years of the 21st century, the USA, in its [[War On Terror]], declared shortly after the attacks on the Twin Towers on September 11th, became more heavily involved in international politics, culminating in the [[Iraq War]]. Its human rights record, however, has fallen under question, with the use of [[torture]] and [[extraordinary rendition]] at [[Guantanamo Bay]] detention center; likewise, its commitment to international peacekeeping and development is called into question by its refusal to pay its [[United Nations]] dues (currently, even after the reluctantly signed Helms-Biden agreement, the United States still owes 41%, or $1.246 billion dollars, to the United Nations that it has refused to pay <ref>http://www.un.org/ga/president/55/speech/una_usa.htm</ref>).

== References ==

== References ==

[[Category:North American Countries]]

[[Category:North American Countries]]

[[Category:NATO members]]

[[Category:NATO members]]

[[Category:United States]]

[[Category:United States]]