During Hoover's administration, the stock market collapsed. This was such a huge deal because people were borrowing money from the banks and putting in stock market. When the collapse occurred people were unable to repay the banks the money they took out, the banks failed.
Answer:
WW2 started on September 1, 1939 and ended on September 2, 1945. It started when Germany invaded Poland
Explanation:
The French and the British punished Germany by making them sign the Treaty of Versailles. Making Germany go under a lot of debt and had to give away a lot of land. (I think) If I was you id still look it up. Also this Japanese series helped me pass my world history class before: Hetalia. It's silly but historically accurate in their WWI and WWII episodes. You can watch it here
---> kissanime.com.