// todo need optimize like in event.jsp. Add indexing or not indexing this page. The Progressive Era (28 ene 1890 año – 6 agos 1920 año) (Cinta de tiempo)

The Progressive Era (28 ene 1890 año – 6 agos 1920 año)

Descripción:

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