How was the economy in the northern united states different from the economy in the southern states, prior to the civil war?

a) the economies in the north and south were basically the same.

b) the north was mostly agricultural with large plantations. the south was mostly industrial with many factories.

c) the north was mostly industrial with many factories. the south was mostly agricultural with large plantations.

d) the north relies on slaves to work in factories, while the south did not use slaves much.