What calamity is experienced in the South African continent?

Mostly by Flood, Epidemics and Earthquakes

Explanation:

international economic development agencies harm poorer nations by encouraging them to serve as exporters to wealthier nations.

i am not 100   percent sure but i do know that hitler was burned to death with gas so that makes me think it is d. because they were under his control if they fail or not do as told they will be killed but i could be wrong hope this