United States, officially called as the United States of America is the fourth largest country in the world in area. It is the home to the world’s third largest population, with over 318 million people. The national capital of the USA is Washington. The United States is large and diverse with several distinct regional identities. The climate varies across the country due to various geographic features.
The United States is a federal republic comprising 50 states and 16 territories. The United States is made up of various cultures across the country. The US has an advanced education system that differs from other countries.