well yes in the past for sure
but in the future do you think it will still work out?
Discussion
A majority of humans have lived under the rule of a State only since around 1500 AD.
That is roughly 1/400th of Homo Sapien's existence.
History is littered with similar failed experiments.
Clans, tribes, and cross-border affinity groups of various kinds have existed a lot longer, and in a much greater range of climactic, technological and sociological conditions. Those I would bet on.
slavery just sucks and we have to end it