AP European History
The United States, often referred to as the U.S., is a federal republic established in 1776 that became a leading global power in the 20th century. Following World War II, the U.S. emerged as one of the two superpowers alongside the Soviet Union, significantly influencing international relations, economics, and military strategies during the Cold War. Its involvement in the rebuilding of Europe after WWII also shaped the continent's political landscape and economic recovery.