Which of the following characteristics was true of native-born protestants? a) they opposed the 100% americanism movement. b) they were the largest participants in the great migration. c) they emigrated to southern and eastern europe in large numbers. d) they comprised a large part of the membership of the ku klux klan.

D.They comprised a large part of the membership of the Ku Klux Klan.

Explanation:

The majority belonged to the Ku Klux Klan which was an organization of the late nineteenth century declared anti-Semitic, anti-black, anti-Catholic, anti-Masonic, anti-communist, homophobic and xenophobic, but deeply Protestant Christian, the theology of Ku Klux Klan is based on Protestantism of figures openly anti-Semites like Martin Luther.

do you have a list of sources to choose from?

i think the answer's are a) b) and c)