I'm not 100% sure but I think it is A. Sorry if it is wrong.
Answer:
I found this on the internet. I hope it helps:
The massive dust storms caused farmers to lose their livelihoods and their homes. Deflation from the Depression aggravated the plight of Dust Bowl farmers. Prices for the crops they could grow fell below subsistence levels. In 1932, the federal government sent aid to the drought-affected states
For most people, work is the center of life.
It is the main supplier of money that they could use to buy food, pay their bills, or to use for enjoyment. All those things combined will make people afraid of discarding their work.
That they are soldiers and they believe in God. (1 God at that AND NOT multiple gods)<span />