it is B .
i really hope this helps. since it helps me on FLVS
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>
It goes. Fewer. Increase. Raise Prices. Increase. More. Decrease.
I hope this helped!!! :D
P.S. I’m only a 7th grader.
