What were the Confederacy's plans for the North if they had won the Civil War? How long could slavery had lasted if the South had been able to maintain their policies?

Sorry, but your submission has been removed because we don't allow hypothetical questions. If possible, please feel free to rephrase the question so that it does not call for such speculation, and resubmit Otherwise, this sort of thing is better suited for /r/historywhatif.