Answer:
Some geographical features was the Tigris and Euphrates river. Without this they would not have good soil. This led to their food surplus.
Explanation:
Hope this helped
The great depression resulted in a nation wide decrease in food, money and work. This affected peoples ability to pay taxes. Without the government getting money from the people there was no trade happening between the USA and other countries and that resulted in other countries losing essential products and harming them.
Townshend acts would be my est answer.