On October 29 1929 the stock market crashed causing the great depression. Families lost homes insurance jobs etc.
Here's the most prominent inventions from the early 1900's
1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio
Economic because the u boat attack was trying to keep aid from England during the war
Answer:
D
Explanation:
Double speak is a deliberate used of euphemisms, ambiguous speech or distorted words to make the speech more acceptable as true
A. It gave Europe the message that the Western Hemisphere was no longer open for colonization.
The Monroe Doctrine said that no European powers will be allowed to colonize the Western Hemisphere because the United States had to fulfill their Manifest Destiny.
