Answer:
Agriculture, revolts, and trade.
Explanation:
Aksum's agriculture began to collapse because of the cutting down of trees and irregular rainfall which eroded the soil. Revolts were also taking place, especially from the North.
The Manifest Destiny was the belief that America need to expand its borders. This shaped the use due to the fact that if caused many disputes among the natives and Mexicans that controlled most of the land that was unclaimed.
After the war was over, much rebuilding and reconstruction needed to be done to aid the economies of the European nations, for they were the ones that were most harmed by the war, The Marshall Plan gave the European Nations about 13 Billion Dollars to do so. Therefore, the answer would be A since the money did aid Europe and because America was the one that gave it, it did promote prosperity and democracy
Answer: A
Hope this helped!! :D