The purpose was to select the party's nominee for president.
It was located near the present day city of Mexico City. It formed a confederacy with Texcoco and Tlacopán and was the Aztec capital by the late 15th century. Originally located on two small islands in Lake Texcoco, it gradually spread through the construction of artificial islands to cover more than 5 square miles. Hope this helped :))
Floods are beneficial to agriculture because it carries deposits
that makes soil fertile, It can also rid of any
contaminates on the land
