A) he sings freely and openly in the valleys and mountains.
Answer:
Inflation was not one of the causes of the Great Depression.
Extended peak stock prices was a cause of the stock market crash in 1929.
When severe drought followed the removal of native grasses in the Great Plains, winds blew away soil on the top and created the famous Dust Bowl during a dry period in the 1930s.
Explanation:
I'm not very sure I will answer when I findout
D. To Develop New Sources Of Mass Media
