Wonderful quick summary of things so far. Thank you.
I think (I tell myself) it was Oliver Wendell Holmes who said something like, “A man’s mind, once expanded, never returns to its original dimensions”. Apart from a great societal amnesia it will be difficult to go back to a situation very like the past when we think of slavery. Our societies do and should know enough to reject this form of living.
Given there is more than enough weaponry and know-how I personally expect something more violent all across the globe unfortunately.