During the Progressive Era, a period of significant social activism and institutional reform from the 1890s through the 1920s, political actors in the United States adopted four constitutional amendments in a short span of roughly 10 years: the Sixteenth Amendment, authorizing a direct income tax2; the Seventeenth ...
In the early twentieth century, reformers worked to improve American society and ... to as the Progressive Era, an era of intense social and political reform aimed at ... the power of the federal government to impose regulations on private industry ... alcohol, and the Nineteenth Amendment guaranteed women the right to vote
