If they don't sign peace they can most likly take Jowy out or at least make him a complete non-power.
OTOH delaying their rebuilding and risking to lose several units more (Those Praets are still dangerous) holds the danger that the Inkas can become a real risk for an indian victory.
OTOH delaying their rebuilding and risking to lose several units more (Those Praets are still dangerous) holds the danger that the Inkas can become a real risk for an indian victory.