Why do you think Belgium, which was not a large military power, was able to gain control of a sizeable portion of central Africa?

King Leopold advocated for colonial expansion in Africa in the late 19th century before the official scramble for Africa, so he got first dibs on a vulnerable country.

Explanation:

King Leopold advocated very strongly for the Belgian government to invest more in colonialism in Africa and because Leopold had a social darwinsim complex which justified imperialism, he was able to gain control by threatening nations such as Congo into signing "agreements" that the leaders in Congo couldn't understand. Hope this helps! Read more into the Scramble for Africa, Social Darwinism and Imperialism if you are still confused!

the second significant cause of the great migration was the desire of black southerners to escape segregation, 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.

“i think it is very plausible that if there are five votes to end the death penalty, it could be with the people who are on the court right now,” - smith

so basically it is not clearly and consistently imposed