The United States is a country located primarily in North America, consisting of 50 states, a federal district, and several territories. It is known for its diverse culture, economy, and geography, ranging from mountains to plains and coastlines. Founded in 1776, the United States has become a global leader in technology, finance, and culture. Its capital is Washington, D.C., and the country is recognized for its democratic values and the influence it wields in international affairs.