A. It's the best way to solve the problem without getting in trouble with the government.
If the war never happened many unnecessary deaths could've been avoided. Also the public would've probably had more support for the president.
The main reason why the twenties are sometimes called an "age of prosperity", especially in the United States, is that "<span>A.Incomes throughout the United States grew and the middle class held most of the wealth," due mostly to speculation in the stock market. </span>
What war are they referring to?