12. What was the Progressive Era and what was the time frame?

A turn-of-the-century political movement interested in furthering social and political reform. The Progressive Era took place during the 1890's - 1920's.

The Progressive Era was a period of widespread social activism and political reform across the United States that spanned the 1890s to the 1920s. The main objectives of the Progressive movement were addressing problems caused by industrialization, urbanization, immigration, and political corruption.