False. The empire ended with the overthrow of the last Czar and establishment of the [first] Russian Republic in 1917. It was the Republic which was changed to the USSR
In box one it was Nazi Germany and Soviet Russia, and they did that so they could invade Poland.
During then great depression, the national unemployment rate across united states peaked at 25% although the rate in African-American communities was much worse at close to 50%
So the answer is: African-American