Which group worked to reduce the power of political machines during the late 19th and early 20th century? nativist societies union organizers progressive reformers government bureaucrats

Progressive reformers

Explanation:

The Progressive Era was a period of many reforms in America, the reforms went from social to political reforms. The Progressives believed that America had a series of problems that were caused by industrialization, urbanization, immigration, and political corruption and because of that they decided to lead a series of reforms.

In politics, the progressives created the referendum, the recall and the popular election of Senators, to increase the citizen's participation and reduce corruption.

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