Why do we know more about the Aztec and the Maya?

We know more about the Aztec and Maya civilizations compared to other Mesoamerican cultures due to the extensive written records and archaeological findings left behind by these societies. The Aztecs and Maya had advanced writing systems and complex societies that were well-documented, allowing researchers to gain detailed insights into their history, culture, and beliefs. Additionally, the conquest of these civilizations by the Spanish in the 16th century resulted in further documentation and study of their traditions.