North America : The United States

Population : 528,720,588 people

The capital of the USA is Washington D.C.

Main cities in the USA : New York City, Los Angeles, Chicago, Houston, San Diego, Seattle and Washington D.C.

Some of the highest mountains of the USA : Mount McKinley, Mount Saint Elias, Mount Foraker, Mount Fairweather, Mount Hubbard and Mount Bear.

The longest river in the USA is the Mississipi River.

The USA is a developed country and has the world's largest national economy.

There is no official language in the USA.

There are 50 States in the USA