One of the main things that brought an increase in income and growth in the GNP for the United States during the twenties was "stock market speculation," since during this time--known as the "roaring 20s"--there was a great deal of stock market investment, which (temporarily) spurred growth.
Answer:
C it prevented European countries from taking advantage of China's resources
Explanation:
Because China had things that everybody wanted so america said "no" for china
A lot of people were depressed because a lot of young boys died and there were a lot of parents who lost their boy(s). Plus, there were a lot of girls who didn't have a spouse so that kind of or alomst threw off the balance of humanity.
