The document summarizes several ancient Mesoamerican civilizations. It describes four major structures in Teotihuacan including the Pyramids of the Sun and Moon. It notes the Olmecs were the first major tribe and explains their name means "rubber people." It provides details on the Mayan writing system of glyphs and their religious practices including human sacrifices and worship of the dead. It notes the Aztecs founded Tenochtitlan and belonged to clans called calpolli that functioned as democracies where women could not vote.
![Teotihuacan ,[object Object],Pyramid of the Sun Pyramid of the Moon Temple of Quetzalcoatl Temple of the Jaguars](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)