in U.S. history, a broadly based reform movement that reached its height early in the 20th cent. In the decades following the Civil War rapid industrialization transformed the United States. A national rail system was completed; agriculture was mechanized; the factory system spread; and cities grew rapidly in size and number. The progressive movement arose as a response to the vast changes brought by industrialization.
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The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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