Which of the following best suggests the benefits of the Aztec Empire’s decentralized government?

City-states within the empire had to build up armies to protect themselves.
Local leaders retaining power likely made them more content to be part of the empire.
Dissatisfied local leaders could object to decisions by the emperor and cause problems.
It eliminated the need for a central emperor and expensive religious rituals.

Local leaders retaining power likely made them more content to be part of the empire