People's point of view can change to suit changes in historical context
In West Africa<span>, the three most </span>important<span> empires were </span>Ghana<span>, </span>Mali, and Songhai<span>, all of which profited tremendously from the trans-Saharan gold trade. ... Their territorial holdings were eventually larger than either </span>Mali<span> or </span>Ghana<span>, until civil war irreparably weakened the empire.</span>
Guns were gained and people were lost
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.
The latest projection is that French will be spoken by 750 million people by 2050. A study by investment bank Natixis even suggests that by that time, French could be the most-spoken language in the world, ahead of English and even Mandarin.