The name United States of America was proposed by Thomas Paine, and was first officially used in the Declaration of Independence, adopted on 4 July 1776. It is said of the U.S. shorthand. It is sometimes incorrectly called United States, resulting in confusion over its adjective. In Spanish, it is not acceptable use of America as the short name of this country, as there are other nations that share the North American continent. Similarly, America should not be used to refer exclusively to the United States, even if it is a widespread habit among anglophone use the name of the continent as the short name of the nation. In writing, one often uses the abbreviation SE. UU. and to a lesser extent, the symbol USA. In Spanish it is completely incorrect, although common, using the acronym USA .
Dwight David Eisenhower , George W. Bush, John Fitzgerald Kennedy, Lyndon B. Jonson, Richard Nixon, Gerald R. Ford, James E. Carter, Ronald W. Reagan, George H. W. Bush, William Jefferson Clinton, George Bush and Barack Obama.
The last one President of the USA was George Bush and the actual is Barack Obama .
The White House is the official residence and principal workplace of the President of the United States.
As its name implies, is a white building located on Pennsylvania Avenue No. 1600 northwest of Washington D. C. Designed during the first term of George Washington, the building was opened by John Adams in 1800. Formally, this building received the names of Presidential Palace, the Executive Mansion, until President Theodore Roosevelt called it "The White House".
The United States has a capitalist economy . The country has steady economic growth, low unemployment and inflation, and a large trade deficit.
The country has rich mineral resources, with many gold, oil, coal and uranium deposits. Farming makes the country among the top producers of, among others, corn (maize), wheat, sugar and tobacco. American produces cars, airplanes and electronics.
Located on Liberty Island in New York Harbor, the Statue of Liberty has been offered as evidence of international friendship from the people of France to the American people and is one of the most universal symbols of political freedom and democracy.
It was Inaugurate on October 28, 1886
The 25 windows in the crown which symbolize gemstones found on earth and the sun shining over the world, the seven rays of the crown represent the seven seas and continents of the world.
The famous Empire State Building stands about four feet in the heart of Manhattan. Opened its doors in 1931.
Located on Floor 86, three hundred and twenty meters on the bustling streets of New York, this viewpoint, disabled access, it offers stunning panoramic views, inside a glass enclosed pavilion and the outdoor terrace that surrounds him.
Since the late nineteenth century, baseball has been regarded as a national sport, football, basketball and ice hockey are the three other major professional team sports. School football and basketball also attract large audiences. Football is the most popular sport in the United States.  Boxing and horse racing were once the most watched individual sports, but have been eclipsed by golf and auto racing, particularly NASCAR. Football although not one of the major professional sports in the country, is played much in youth and amateur levels, and their outstanding selection, unlike other countries, is the female. Tennis and many outdoor sports are very popular.