Progressive Era: A period in U.S. history between the late 19th and early 20th centuries marked by social reform movements aiming to improve living conditions, labor rights, and political corruption issues.
New Deal: Refers to a series of programs implemented by President Franklin D. Roosevelt during the Great Depression to stimulate economic recovery, provide relief for Americans, and regulate industries.
Social Security Act: A landmark piece of legislation passed in 1935 as part of the New Deal that established a system of social insurance programs providing benefits for retirees, disabled individuals, and unemployed workers.