Comment: There would certainly be a reallocation of workers

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In reply to comment: Your work betrays your ignorance (see in situ)

There would certainly be a reallocation of workers

from the public to the private sector. It would be a shame to lose all those bureaucrats.

A land invasion by a foreign power would have implications for the entire territory and would certainly invoke a response from more than just the affected state.

In addition, I think it's extremely improbable that chattel slavery would be re-instituted. Trying to make that argument is nothing more than demagoguery.