The United States is a country located in North America, bordered by Canada to the north and Mexico to the south. It consists of 50 states, a federal district, and several territories. The capital city is Washington, D.C., and the largest city is New York City. The country has a diverse population and is known for its cultural, economic, and political influence worldwide. The United States has a varied landscape that includes mountains, plains, and coastlines. It is home to numerous national parks, such as Yellowstone and Yosemite, which showcase its natural beauty. The country operates under a federal government system, with a Constitution that outlines the rights and responsibilities of its citizens.