What is USA?
USA is the acronym for United States of America.
The United States is a country composed of fifty states and a federal district, most of the country lies in the central region of North America.
The United States is located between the Pacific and Atlantic oceans, borders Canada to the north and Mexico to the south, and has several other territories in the Caribbean and the Pacific.
It has a 9.37 million square km area and around 309 million inhabitants, is the fourth largest country in total area, the fifth largest in continuous area and the third largest in population.
English is the national language of the country, in 2006, about 224 million people, or 80% of the population aged five and over, spoke only English at home, and Spanish is spoken by about 12% of the population, is the second most common language and the second most widely taught foreign language, much by the immigration of Mexicans.
The United States is known to be one of the most multicultural and ethnically diverse nations in the world, which is the result of strong immigration from many countries.
The United States economy is the largest national economy in the world with a gross domestic product of $ 14.2 trillion in 2008.
The United States is known for its participation in several wars, especially the First and Second World War, and the country accounts for two-fifths of global military spending and is a strong economic, political and cultural leader in the world.