All of the following factors helped the Ku Klux Klan rise in the 1920s except . Select the best answer from the choices provided.
A.
scientific racism
B.
movies such as The Birth of a Nation
C.
anti-immigrant hatred
D.
the economic crisis of the Great Depression

Which answer best describes the main purpose of the monroe doctrine? a to establish fixed borders in the western territories b to keep europe from further colonizing the western hemisphere c to limit the ability of the free states to protect runaway slaves d to promote settlement of the louisiana purchase