Progressive Era: The Progressive Era was a period of widespread social activism and political reforms in the United States from around 1890 to 1920.
New Deal: The New Deal was a series of programs implemented by President Franklin D. Roosevelt during the Great Depression with the goal of providing relief, recovery, and reform.
Welfare State: A welfare state refers to a system in which the government plays an active role in promoting social welfare through policies such as healthcare, education, unemployment benefits, and income redistribution.