The Canari, Chachapoya, and Ayamarca increasingly allied with the Spanish, and the Ayamarca had previously competed with the Inca for control of Cusco.

“chance to finally break free of Inca authority so strangely enough as it may seem more local peoples had when kept joining the besieged Spaniards during the whole battle of Cuzco which played out over many many months and the Spaniards end up with more allies and they started during this battle because there were so many people within the Inca Empire from the Canaria who were from Ecuador to the Chachapoya from”

“The Amazon Basin, even the Ayamarca, who used to be rivals with the Inca for control of Cusco itself,”

“increasingly side with the Spaniards. And that local manpower was the critical asset.”