What Did White Southerners Think of the Idea of Slaves

What did white southerners think of the idea of slaves working in factories?

A) They saw it as a way to earn extra money, by hiring out their slaves
B) They thought it was a natural extension of their work in cotton plantations
C) They feared that away from plantation supervision, slaves would act like free laborers
D) They didn't think slaves had the skills or intelligence to handle the machinery
E) All of these choices