Most of the Emotional Impact of Uncle Tom's Cabin Came

Most of the emotional impact of Uncle Tom's Cabin came from what?

A) its portrayal of Southerners as greedy, immoral barbarians
B) its portrayal of northern abolitionists as heroic defenders of morality
C) its evidence that slaves were just as evil as the slave owners
D) its portrayal of slavery as a necessary evil that needed to be preserved
E) its portrayal of slavery as a threat to the family and the cult of domesticity