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.

judicial because its legislative, executive and judicial