How would we describe the difference between the North and South in terms of manufacturing and manpower during the Civil War?

a. The North had the advantage in manufacturing while the South had the advantage in manpower
b. The North had the advantage in manpower while the South had the advantage in manufacturing
c. The North had the advantage in both manpower and manufacturing
d. The South had the advantage in both manpower and manufacturing
e. They were evenly matched in both manpower and manufacturing