Explain and describe the changes made by the reformers and progressives to bring about the new amendments.

Progressivism in the United States is a broadly based reform movement that reached its height early in the 20th century and is generally considered to be middle class and reformist in nature. It arose as a response to the vast changes brought by modernization, such as the growth of large corporations and railroads, and fears of corruption in American politics. In the 21st century, progressives continue to embrace concepts such as environmentalism and social justice.[1] Social progressivism, the view that governmental practices ought to be adjusted as society evolves, forms the ideological basis for many American progressives.

Historian Alonzo Hamby defined progressivism as the "political movement that addresses ideas, impulses, and issues stemming from modernization of American society. Emerging at the end of the nineteenth century, it established much of the tone of American politics throughout the first half of the century."[2]

Historians debate the exact contours, but generally date the "Progressive Era" from the 1890s to either World War I or the onset of the Great Depression, in response to the perceived excesses of the Gilded Age.[3]

Many of the core principles of the Progressive Movement focused on the need for efficiency in all areas of society. Purification to eliminate waste and corruption was a powerful element,[4] as well as the Progressives' support of worker compensation, improved child labor laws, minimum wage legislation, a support for a maximum hours that workers could work for, graduated income tax and allowed women the right to vote.[3]

According to historian William Leuchtenburg: