In you opinion which was worse: The trans atlantic slave trade or the holocaust?

I think the holocaust was worse. At least the slaves we shown at least a fair amount of compassion some of the time; wheares during the WWII Jews and gypsies and homos and God knows what others were being killed without remorse.
Update: To the third answer: That's like saying how do we know the WWII happened. We weren't there but we know it did. Stop you rambling plz
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