This list of research topics would be of most use to a student writing a paper titled

a."the first red scare."

b."causes of the great depression."

c."the rise of american labor unions."

d."the 18th amendment and prohibition."

The Palmer Raids, Sacco and Vanzetti, the Boston Police Strike and the May Day Riot of 1919 were all part of what became known as "The First Red Scare". Following World War I and the Russian Revolution, American society experienced an intense and widespread fear of Bolshevism, communism, and radical politics.

answer; i believe that the correct answer is (c) arctic tundra;