Geography of USA : CLIMATE,ECONOMY
Geography of USA Area 3,716,654 sq miles(9,626,091 sq km)Population 313 millionCapital Washington, D.C.Currency US dollarOfficial language EnglishLife expectancy 78 years The United States of America (USA) wasfounded in 1776 on principles of individualfreedom and a government voted for by thepeople. It is now the most powerful countryin the world and the third most populated.The main … Read more