There is a more fundamental problem causing the current situation in Africa that is not mentioned. Africa is a tribal country. One's first loyalty is to one's tribe. Multi-tribal countries violate this fundamental cultural foundation. Corruption is the result. One sees this phenomenon wherever tribal, clan or familistic loyalties are stronger than those to larger institutions (e.g. China).
This is a fascinating report published last month by the CIA. This will give you some insight into how our intelligence community thinks about the global threats we face.