World War II: A global conflict fought between 1939 and 1945, involving many countries including the United States. It resulted in significant changes in world power dynamics.
Cold War: A period of political tension and military rivalry between the United States and Soviet Union from the late 1940s to early 1990s. It influenced American foreign policy decisions during mid-20th century America.
Civil Rights Movement: A social movement advocating for equal rights for African Americans in the United States during mid-20th century America. Led to significant legislative changes and increased awareness of racial inequality.