20th Century American History

20th-century American history saw major shifts: two World Wars, the Great Depression, and the Civil Rights Movement transformed society. The U.S. emerged as a global superpower post-World War II, competing in the Cold War with the Soviet Union. Technological advances, from airplanes to the internet, reshaped daily life. Social movements fought for racial equality, women's rights, and environmental protection. The century also experienced economic booms and recessions, political shifts between liberal and conservative policies, and cultural innovations in music, art, and technology. Overall, it was a time of rapid change, struggles for justice, and America's evolving identity on the world stage.