About the United States
The United States of America is a federal republic composed of 50 states, a federal district (Washington, D.C.), and several territories. Known for its global influence, cultural diversity, and historical importance, the U.S. plays a major role in international politics, economics, and innovation.
It spans from the Atlantic to the Pacific Ocean and shares borders with Canada and Mexico. The country's foundations are built on liberty, democracy, and the rule of law, as outlined in its Constitution adopted in 1787.
Quick Facts
- Capital: Washington, D.C.
- Largest State: Alaska (by land area)
- Most Populous State: California
- National Language: English (de facto)
- Currency: United States Dollar (USD)