During industrialization, what were the attitudes toward slavery? calls for the abolition of slavery increased. even more slaves were put to work in factories. factory owners refused to use slaves as their workers. runaway slaves were not prosecuted.

The answer is Calls for the abolition of slavery increased

During this industrialization period,  many technologies to improve productivity in both farms and the factories were created.
Because of this, Using slaves in the plantation was no longer as profitable as the other alternatives, which lead to more calls for the abolition of slavery