This is probably correct. When the north and south fought in the American civil war, the northern states had a highly industrialized economy while the south was

This is probably correct. When the north and south fought in the American civil war, the northern states had a highly industrialized economy while the south was almost entirely agrarian. In fact, perhaps because of the dichotomy between the two regions, the north may have been under even more pressure to mechanize. They had 5x more factories there than in the south, and more than twice the rail mileage.