Answer:
Im pretty sure the answer is D, but i could be wrong. I don't know but i know its not A or B
Explanation:
A single issue group uses its focus on a singular issue to attempt to gain attention and movement to support their cause.
I think it is D. Because The shortages were caused the great depression because of World War I.
The correct answer is A.
If literacy rates increase, then there will be better opportunities for good paying jobs, more inventors, the ability to pay for food/ water, etc. This is all linked to a standard of living.