If the Incas survive, weather be it America isn't discovered, the Incas beat the Spanish, or whatever else you can come up with, if they survive, where do they expand?
Do they Go South, into Patagonia, and closer down South?
Do they go North, further up the Andes, Possibly up to the Atlantic by following the Andes north? Possibly to Panama?
Do they go Further forward? To the Amazon Basin, or Amazon Rainforest?
Does anyone know where the Incas would expand too in their survival?