This wasn't politics it was conquest. Its akin to how the english treated the irish and they didn't see themselves as the same
I'm talking about internal corruption from inside the same ethnic groups weakening them to euro intervention. I'm aware of the different ethnicities or religions going to war and providing slaves.
Internally weak states fell to the Euros.
A resilient economy and industrializing state to manufacture said guns + gun-powder would have been better.
The Ashanti empire was headed there, but it was too late.