Profiles of significant figures in the United States
The United States of America (USA) is a federal republic composed of 50 states, a federal district, and various territories. It is one of the world's most ethnically diverse nations, formed through centuries of immigration. The USA stands as the world's largest economy and a global leader in technology, innovation, and military power.
The nation was founded on principles of democracy, liberty, and equality, though its history includes complex struggles for civil rights and social justice. From its earliest days as a colony to its current position as a superpower, the United States has played a significant role in global affairs.
President serves as head of state and government
Bicameral Congress: Senate and House of Representatives
Supreme Court and federal court system