Answer:.mostly Protestant middle-class idealists and reformers--4
Explanation: The Progressives were social activists, idealist and reformers mainly from the middle class, that believed in the mass political reform in the United States and sprung from late 19th century to early 20th century. Their belief were centered on four main topic which were on Prohibition, improved citizen participation in politics by exposing politicians, technological innovation/scientific inquiry and women’s Suffrage
The progressives still exist today and their beliefs in line with the former insisting on minority rights, increased minimum wages, making political changes and improving the society through government action, improving democracy, etc