https://www.reuters.com/article/uk-slavery/chronology-who-banned-slavery-when-idUSL1561464920070322
So, you see, it
was whites that ended slavery first.
But, strangely enough, it wasn't a practice
started by whites. The Trans-Atlantic part of it, sure, but that isn't the entire history of slavery by a long shot, now is it (and who else would have started the practice in Europe and the Colonies
)?
Well... there was one other group involved with the shipment process, at least.
Slavery is as old as Man, give it a rest.