Many forces predisposed Ku Klux Klan members to accept the group’s exclusionary message without much analysis. These forces included all of the following EXCEPT: a. the 1921 and 1924 Immigration acts. b. "100 percent Americanism," which developed during World War I. c. the 1915 film release of Birth of a Nation. d. the rise of fundamentalism. e. Coolidge’s economic policies.