Many White Northern Democrats Who Opposed Slavery

Many white northern Democrats who opposed slavery

A) hoped that when the slaves were freed they would come North for industrial work, where they would finally find acceptance.
B) agreed to disagree with southern Democrats on the slavery issue, for the sake of party unity.
C) believed, as southern whites did, in the legitimacy of white supremacy.
D) thought slavery in the western territories would be acceptable, so long as the practice did not spread northward.
E) did not understand how southern whites could stand to spend so much time around blacks.