The United States of America is the world’s third largest country in terms of size and population. With the advancement in the past hundred years, America has established itself as a world leader economically, militarily and technologically. It is known for its natural beauty from high mountains to vast grassy plains in the middle of the country and enchanting beaches at the coastal line.

The United States has one of the world’s highest standards of living. Until the late 1800s agriculture was the dominant economic activity, but then industry gained importance. The United States now leads all nations in the value of its yearly manufacturing output. Leading goods are processed foods, transportation equipment, chemicals, industrial machinery and electronic equipment.