The World's Largest Economy : USA

Everybody knows that the United States has the largest economy in the world. The estimated GDP of the USA is $17,914 trillion. And the currency of the USA is the most used currency international. The USA has a lot of natural resources like oil that makes them the third largest producer of oil that contributes to their large economy. And they have a well developed infrastracture industry. And also, the USA has one of the world's largest financial market, the New York Stock Exchange. But in 2007 to 2008 the economy of USA experienced financial crisis. But, it began to recover in 2009. And on 2015 their unemployment rate decreased. The USA is under new government but that doesn't stop the economy of USA from being the best.