Final answer:
Mesoamerican Empires shared similarities such as the ritual ballgame and pyramid building. The Mayan Empire had its own system of writing and advanced mathematics, while the Aztec Empire had a tribute system and practiced human sacrifice.
Step-by-step explanation:
Mesoamerican Empires shared similarities such as the ritual ballgame, pyramid building, human sacrifice, maize as an agricultural staple, and deities dedicated to natural forces. They also developed systems of writing and had advanced understanding of astronomy. For example, the Mayan Empire had its own system of writing and a system of mathematics that included the use of zero. On the other hand, the Aztec Empire had a tribute system and practiced human sacrifice as an important religious ritual.