I have not been to Africa. That being said, I do know the difference between being bright and uneducated and not being bright. I suspect that you do not. Bright refers to intelligence, the mental horsepower people are born with. I assert that it does not vary ethnically. To suggest otherwise is racist.
I rest my case.
The new blasphemy. The utterance of heretical thoughts will get you burned at the stake in today's PC world.
In every group, there are bright members and stupid members, and I try to deal with individuals as individuals. The distribution curves of IQ among ethnic groups, however, has been studied to death (however much academics are loath to publicize their data).
Explain how the children of Vietnamese boat people, living side by side with American blacks, going to the same inferior schools, within one generation rise out of there. Look at the faces of who's in the Tier-1 colleges majoring in engineering, pre-med, and other majors where a professor can't rationalize giving a good grade to somebody who has not demonstrated an ability to absorb hard data and reason effectively with it