I think it was the Iron Curtain of the Soviet Union?
Answer and explanation;
-Most African Americans weren't allowed to join the army due to segregation thus, most of them moved to the factories north to help in any way possible by building weaponry and such.
-The desire of black Southerners to escape segregation was a major cause of the great migration, known euphemistically as Jim Crow. Rural African American Southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the North.
They were trying to find new land, so they could settle.
The answer should be Benito Mussolini.
Answer: 7 cuz i mean their fishes how r u gonna drown them? and they cant swim away cuz their in a tank soo yeah 10 -3 =7