The United States of America is a diverse, heterogeneous and multicultural coutry.while maintaining a global economic, political and military influence people also considers it to be the world’s most powerful country. America is capitalist mixed economy which is backed by rich natural resources. There has been sharp increase in the productivity and decrease in unemployment in the last few decades and thus has empowered the economy in all ways. Around two fifth of the countries funding is invested in military services. In the lead of President George Bush the country has seen the longest economic expansion in the history of America.