Well, since obviously Africa was affected by slavery in most likely the worst ways possible. Slavery, was a trade market for the wealthy whites' back in the late 18th century. Africans' we're the slaves themselves so they did not agree much to anything to do with slavery. Europeans' used slavery as a trade market( as i said up there ^). The Europeans' captured the Africans' and sold them for a wealthy gain. Now when america go involved they downed the pricess of slaves so the lower class whites' could afford slaves. Above all after slavery was abolished Europeans' are still hated by Africans.
I hope this helps!