Because they <span>They resent to Aztec who had conquered them and demanded tribute to support the lavish of Aztec cities.
The leader of the Aztec of that time oppressed the member of their group with tyrannical rules. The resentment build up over the years and Cortez saw this as an opportunity to gained new reinforcement armies.</span>
Answer:
it increased the demand for land and slave labour
They ate cacti and hunted for animals
Answer:
I believe the answer is city-state structure.
I hope I helped, please correct me if I'm wrong!
