Farmers in the south suffered most from: a. the boll weevil plague. b. the roaring twenties. c. world war i. d. public works projects.

A. The Boll Weevil Plague, they are beetles that were carried in from Mexico and it remained the most destructive cotton pest in North America for much of the Twentieth Century

The answer is d.  the north had organized schools, whereas the south had few organized schools.