The assertion that the rural people who are struggling economically supported the "Make America Great Again" movement led by Donald Trump offers support for which of the following theories explaining social movements?

Which group worked to redefine local political institutions in the first two decades of the twentieth century?

a. Populists b. Roosevelt Roughriders c. Progressives d. Greenbackers

Which of the following participation groups avoids both elections and community groups in its political activity?

A. Voting specialists B. Campaigners C. Communalists D. Parochial participants E. Inactive voters