I'm talking a level of control that would make the liberal conception of Stalin blush.
Context? Material conditions? Up to you. Maybe you just finished leading the revolution to victory, maybe you got :vote:d into this position, maybe you just woke up in another timeline, I don't care
That's a non-marxist take. Stringent censuses need to take place to minimize disruptions to the supply chain while eliminating the artificial state culture. Additionally considerations must be taken from the living native groups according to their needs and not according to old maps.
If for example the Lakota tribes vote to be restored to their historical homeland whereas the Siox tribes vote to stay on the reservations, then you would be indeed fulfilling the desires of one people but would be ignoring another.
This is to say the discussion of the native question is not your nor my business beyond cooperating and supporting the native peoples decisions to the best of our ability.