The Fall of The Aztecs

First it stated to be a wealthy small city but then the Mexicans came.They came and told them they wanted to get rid of their leader and the went with it.Then,they captured the ruler and killed them. Then the they took over be blocking off their water cycle and that lead to them not being able to water crops and drink water especially simce they can't drink the lake water.Then they eventually died and the mexicans got the land.