Describe 2 ways in which Aztecs and Incas were different.

The Inca empire was 772,204 square miles and includes 5 modern day countries. The Aztec empire was about 117,501 square miles and includes only Mexico itself. Documentation was also done differently. Inca used quipus, wool and string tied up. The Aztecs used a codex, similar to what other people had already used such as animal hide or a sought of bark paper.