The reforms of the Progressive Era were a response to which of the following?

During the Progressive Era (1900-1920), the country grappled with the problems caused by industrialization and urbanization. Progressivism, an urban, middle-class reform movement, supported the government taking a greater role in addressing such issues as the control of big business and the welfare of the public. Many of its accomplishments were based on efforts of earlier reform movements. The federal income tax and the direct election of senators, for example, were a part of the Populist program, and Prohibition grew from a pre-Civil War anti-alcohol reform tradition. Although the Progressives formed their own pol