I think that black Africa is extremely terrifying. Black Africa can become a maelstrom of warring tribes without the outside world needing to feel the need to do anything about it. ↗
The Islam of the 18th, 19th and first half of the 20th century was a poor thing. Nobody bothered about it. Islam was that funny sort of pure system of beliefs that depressed people in the Middle East held as their religion. ↗