Gilded Age: The Gilded Age is a term used to describe the era marked by rapid economic growth but also characterized by social inequality and corruption.
Progressive Era: The Progressive Era was a time of social and political reform in the early 20th century, aiming to address issues such as poverty, corruption, and women's suffrage.
Industrialization: Industrialization refers to the transformation of an economy from primarily agrarian to one focused on manufacturing and mechanized production. It played a significant role during turn-of-the-century America.