B. Hoovervilles. The shanty towns were named after Herbert Hoover
I am 100% positive that it's <span>africa, asia, </span>Europe
A shortage of crops/food would have killed off the soldiers mostly, devastating the southern states. I hope this helped!
Thanks!
~Steve
It's probably D. To point out problems in the south given the subject of most of his marches was going against racism in the south