Earlier quoted context omitted.
There has to be more, because in Europe, and particularly in southern europe there has been slavery for thousends of years. Everyone has been slave to everyone, like a free for all. Yet there's no one making claims based on that, and I'm not aware that such claims existed in the past neither. People just accepted as a fact of life and moved on. If you look at how all the relations played out between southern europe,…
A lot of black people arrived in Europe comparatively recently, the last ~60 years or so, and often from a specific country rather than the vague concept of "my ancestors several hundred years ago came from somewhere in Africa, but who knows where exactly?" Besides, not all forms of slavery are equal; what made American slavery fairly unique is that you were born in to it, was for life, based on skin colour, and was…
The descendants of people who bear the same skin hue of the formerly enslaved still have to live with the stigma caused by slavery.
This (and in many other ways as pointed out by the last commenter), is what makes the effects of the Translantic slavery still reverberate today - because people are still judged by skin colour because of that precedent that was set back then.
I don't know why this has to be continually explained to supposedly intelligent people - wilful ignorance?