I think it's B because it talks about punishment
A factor which didn't lead to decolonization movements in Africa would be Greed - b. Greed was actually the reason why there was colonialization in the first place in Africa. The people at the time saw this as an excelllent opportunity to make a lot of money.
I think that the answer could be B because Columbus had slaves
There exist a similar question which goes like,
A jury trial ___.
The remaining items in the question above happen to be the choices. The answer to this item is letter "A.. happens at the trial or district court level."