The Progressive Movement was largely a reaction to
C. the hardships suffered by the working class caused by industrialization and urbanization.
During the late 19th and early 20th centuries, the rapid industrialization and urbanization in the United States led to various social, economic, and political issues, including poor working conditions, labor exploitation, and increased inequality. The Progressive Movement sought to address these problems through reforms in labor laws, women's suffrage, anti-corruption measures, and social justice initiatives.