Since the anti racists squabble called the Civil War, white people have made great strides in overcoming the disease of racism, but in their rush to rid themselves of it, they gave it to black people.
Black people have always had it. It's actually called "Tribalism". Some American Indian Tribes had it, too. Though not all of them.
Africans, though; it's pretty universal. They hate pretty much everyone. It's the rare ones who don't hate.