When the Soviet Union collapsed the republics that left kind of maintained their borders, like why do you think Ukraine had Crimea? If the US were to go through a similar situation it absolutely would be divided between the states, not because the states act as countries but because lines on a map actually do have an impact on the material conditions.
The west should be working seven days a week in reeducation camps to rebuild the global south they plundered for centuries, Bernie is a liberal.