For 10 points, name this Mesoamerican civilization who were led by Montezuma.
This civilization's language, Nahuatl, was recorded in the Florentine Codex. The "Massacre in the Great Temple" occurred in this civilization's capital, and this civilization's Jaguar Warriors wielded swords with obsidian blades. This civilization made use of chinampas on Lake (*) Texcoco, which was also home to Tenochtitlan. For 10 points, name this Mesoamerican civilization who were led by Montezuma.
This civilization's language, Nahuatl, was recorded in the Florentine Codex.
Aztecs