Why did the Inca engage in continuous expansion?(1 point)
Responses
a. The Inca lacked resources for their pastoral lifestyle, so they conquered grazing lands owned by other groups.
b. The Inca's conflicts with the Wari and Tikawanu civilizations forced them to grow the empire for more power.
c. The need for laborers after the failure of the mit'a made it necessary to conquer new lands.
d. Land could not be inherited by new rulers, so they had to expand the empire to gain more wealth and power.