Well, we could always have a rerun of Alex Haley’s “ROOTS”. It showed slavery in all its ugly brutality.
How about a new show called “Real Roots” were we follow black families after their tribe was defeated by another tribe. And they begged to be allowed to be slaves because it beat the hell out of being eaten.
The world sucked in 1800. But it sucked far less in the UK and the US that almost any other place on the planet.
I don’t give a damn about slavery any longer. Everyone can get over it. All those people are dead - except for people who keep slaves now. Plenty of that still in north Africa and the ME.