The United States of America became an independent country on July 4th,1776 Form of Government: Federal Republic Number of States: 50 Capital Washington D.C ( the letters D.C stand for “District of Columbia”) Flag: The American flag is known as Stars and Stripes The 13 stripes represent the original number of states in 1776 The 50 stars represent today’s total National Anthem: “The Star Spangled Banner” The words were written by an American called Francis Scott Key in 1814 The tune was originally English National Symbol: the Bald-headed Eagle Currency: US Dollar $ Area: 9,363,130 square kilometres Population: 272 million (approx.) of which 83% are white and Hispanic, 12% African American, 4% Orientals and other races (mainly Japanese, Chinese) and 1% Native American Major Languages: English and Spanish ...The United States of America became an independent country on July 4th,1776 Form of Government: Federal