I would say James Maddison
My guess is C. Obtaining a job, because without one, that’s when they either moved North or had to participate in shared cropping. I don’t think it’s D. because they were already “free” after the war, but they were not treated equally.
The soil back then was not healthy or useful that much. People could barley even get enough to time to plant one crop.. so due to this farmers had to stick to substance farming and that’s what prevented farmers from growing cash crops