Progressive Era: A period of reform movements in the late 19th and early 20th centuries aimed at addressing issues such as corruption in politics, urbanization problems, labor rights abuses.
New Deal: A series of programs implemented by President Franklin D. Roosevelt during the Great Depression aimed at providing relief for those suffering economic hardships while also stimulating economic recovery.
Civil Rights Movement: A social and political movement primarily focused on combating racial segregation and discrimination against African Americans in the United States, particularly during the 1950s and 1960s.