Corporate,royal, and proprietary colonies
My best choice would be A. The south depended on slavery for economical reasons. The northerners believed slavery was morally wrong. A little after the 1800's Northerners had abolished slavery.
The problem that the northwest ordinance created what the civil war. the northwest ordinance made slavery and involuntary servitude were forbidden in the Northwest Territory. It made the Ohio River the dividing line between the north and the south.
a general increase in prices and fall in the purchasing value of money: