What was the most likely cause of the Dust Bowl?

Question

A. intense wind storms from changing weather patterns
B. extreme heat evaporating the small water supply in the region
C. an overpopulation of livestock causing stress on the food system
D. overplowing the land without periods of rest for the soil

Answer 1

Economic depression coupled with extended drought, unusually high temperatures, poor agricultural practices and the resulting wind erosion all contributed to making the Dust Bowl .

Answer 2

I think D. overplowing the land without periods of rest for the soil