For each term or name, write a sentence explaining its significance. • obsidian • quetzalcoatl • triple alliance • montezuma ii

Obsidian had a special significance in Mesoamerica, as it was highly integrated in daily and ritual life.Obisidian is volcanic glass that has been naturally formed.
Quetzalcoatl was a Mesoamerican deity (supernatural being, usually one of many gods) who is depicted as a feathered serpent. 
The Triple Alliance of the Aztec Empire were three city-states run by indigenous groups called the Nahua. The three city-states were Tenochtitlan, Texcoco and Tlacopan. 
Montezuma II was the ruler of Tenochtitlan from 1502 to 1520.

Is there a passage that comes with this question or should i know this right off the bat, because if it is, i probably have short term memory loss or college is too stressful