Warfare was a fundamental part of Aztec society and was the driving force behind its economy and religion. The Aztecs used warfare to achieve two main objectives: the subjugation of city states to exact tribute and expand political influence and the taking of captives for religious sacrifice. Members of warrior societies were even ranked according to the number of captives they had taken in battle. Which warrior society’s members swore not to take a step backward during battle on pain of death? Discuss