Yhdysvaltoista

Yhdysvaltoista, also known as the United States of America, is a country primarily located in North America. It is the world's third-largest country by total area and the fourth-most populous country. The United States is a federal republic, composed of 50 states, a federal district, five major self-governing territories, and various possessions. The capital of the United States is Washington, D.C., and its most populous city is New York City.

The United States was founded in 1776 as an independent nation after the American Revolution, which ended British rule in the colonies. The country has since grown to become a global superpower, with significant economic, cultural, and military influence. The U.S. economy is the largest in the world by nominal GDP and the second-largest by purchasing power parity. The country is known for its diverse culture, which is a blend of various ethnic and cultural influences.

The United States is a constitutional republic, with a president serving as both the head of state and the head of government. The country has a bicameral legislature, consisting of the Senate and the House of Representatives. The judicial branch is headed by the Supreme Court, which has the power of judicial review.

The United States is a member of numerous international organizations, including the United Nations, NATO, and the World Trade Organization. The country has a complex relationship with other nations, characterized by periods of cooperation and conflict. The U.S. has played a significant role in global affairs, including the Cold War, the Space Race, and the War on Terror.