Assimilation has been attempted by many conquerers and would be conquerers. But the one most successful in fueling the merger of culture and consciousnesses has been the internet. Tech industry adapts and adjusts for its customers way faster that classical government. So a hybrid governing structure would be a nice start.
Other thing would be to reduce loyalty to any particular symbols. "My country" "my people" etc. We'll collective move as organism.
Other thing would be to reduce loyalty to any particular symbols. "My country" "my people" etc. We'll collective move as organism.