But one of the great things about there being different countries is all the different interesting cultures.. Also it's not really workable. Some countries has tried at various points in time and it never stuck.

[ How about she starts to study a few basic school subjects? Everybody could learn from some history and geography and other stuff. ]

We could get hold of fake documents to a degree, but they'll easily overlook us if we're not in a car so we won't have to deal with travel papers.