In the early and mid-1800s, how did the economies of the Northern and Southern states compare?

In the early and mid-1800s, how did the economies of the Northern and Southern states compare?

A. Both the North and the South had highly industrialized economies.
B. Both the North and the South had highly agricultural economies.
C. The North was industrialized, while the South was more agricultural.
D. The South was industrialized, while the North was more agricultural.