Tenochtitlan was located on a swampy island in Lake Texcoco in what is today south central Mexico. The Aztecs were able to settle there because no one else wanted the land. At first, it wasn't a great place to start a city, but soon the Aztecs built up islands where they could grow crops.
The election of 1800 is historically important for the following reasons: Power transferred peacefully from one party to another. The federalists stayed in power.