What is the essential legacy of progressive political reform movement

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Progressivism was the reform movement that ran from the late 19th Century through the first decades of the 20th Century, during which leading intellectuals and social reformers in the United States sought to address the economic, political, and cultural questions that had risen in the context of the rapid changes brought with the Industrial Revolution and the growth of modern capitalism in America. The Progressives believed that these changes marked the end of the old order and required the creation of a new order appropriate for the new industrial age.

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~Karleif Westsson

some american cities felt workers were being oppressed by business monopolies