Answer: C
Explanation:
D is a silly answer, so you can eliminate that right off. A seems reasonable, but technology wasn't advanced yet so there were no drawbacks when there was nothing to draw back from. B is just as good as C, but C is the correct answer because the Great Depression inspired people to get out of poverty and numerous slumps, and so the American population wanted to succeed with jobs and different aspects of life.
Take a look at the book The Great Gatsby. It's a Depression classic in literature, and there's a theme of flaunting wealth in every part. The "flaunting wealth" part connects with the will to succeed.
An increase in the price of cocaine is the least likely effect that illegal drug production and trade has on Latin America. All others have a strong effect on the illegal drug production.
Best guess a month maybe lowest two or three weeks