All of the following characterized Aztec society EXCEPT A) a highly s

All of the following characterized Aztec society EXCEPT

A) a highly stratified society ruled by an emperor and priests at the top.
B) an extensive trade network with other peoples.
C) the creation of long-term, permanent alliances with other tribes that permitted them to maintain a relatively small army and avoid regular warfare with other tribes.
D) occasional war with other tribes to expand their empire.

ANSWER
Answer: C