what did the inca engage in continuous expansion?
A ) the inca lacked resources for their pastoral lifestyle, so they conquered grazing lands owned by other groups.
B ) land could not be inherited by new rules, so they hadt to expand the empire to gain more wealth and power
C ) the inca's conflict with the wari and tikawanu civilizations forced them to grow the empire for more power
D ) the need for laborers after the failure of the mit'a made it necessary to conquer new lands