United States,travel in usa 2012

 United States,travel in usa 2012

  Is a federal constitutional republic comprising fifty states and Capital Federal District. Most of the country in the middle of North America, where the 48 states and Washington, DC between the Pacific Ocean and the Atlantic Ocean and is bordered by Canada to the north and Mexico to the south. And Alaska located in the northwest of the continent, bordered by Canada to the east and Russia to the west across the Bering Strait. The state of Hawaii, which is about a group of islands located in the middle of the Pacific. It also includes several state land, or islands in the Caribbean and Pacific.

 United States,travel in usa 2012

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 United States,travel in usa 2012

United States

 comes in third or fourth place in terms of area (3.79 million square miles, or 9.83 million km 2), and ranks third in terms of population density (307 million people). The United States is characterized as one of the most diverse countries in the world in terms of race, culture, and came as a result of migration to large from different countries. The U.S. economy is the largest national economy in the world, with an estimated gross domestic product (GDP) for the year 2008 by about U.S. $ 14.3 trillion (23 per cent of the global total, according to nominal GDP and almost 21% in terms of purchasing power).

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Nation founded by 

thirteen British colonies along the coast of the Atlantic Ocean. And issued the Declaration of Independence on the Fourth of July in 1776, which recognized their independence from Great Britain and the formation of a federal government. Rebellious states defeated Great Britain in the American Revolutionary War, the first successful colonial war to win independence. Philadelphia Convention adopted the current U.S. Constitution on the seventeenth of the month Spettmb Amer 1787; and ratified the following year, making those states part of the Republic and one strong central government. As has been the ratification of the Bill of Rights in 1791, which includes ten constitutional amendments to ensure a lot of basic civil rights and freedoms.
In the nineteenth century

, the United States got land from France, Spain and the United Kingdom, Mexico, Russia, and annexed the Republic of Texas and Hawaii. Conflicts between the agricultural south and the north industrial area about states' rights and the expansion of the slave trade to the outbreak of the American Civil War in 1860 almost. Prevent the victory of the northern region of a split in the country, which led to the end of legal slavery in the United States. The national economy has become the world's largest economy by the year 1870. And confirmed the Spanish-American War and the First World War on the country's military forces. In 1945, the United States emerged from World War II to be the first country to possess nuclear weapons, and a permanent member of the Security Council of the United Nations, and is a founding member of the North Atlantic Treaty Organization. As the United States became the only superpower in the world after the end of the Cold War and the disintegration of the Soviet Union. The country accounted for about 50 per cent of global military spending, is also an economic power and global political and cultural.