According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?

They built the city of Tenochtitlan on an island because it was the best choice if there was ever an invasion. Since it was on an island, the aztec army coudl protect all sides. It also had a system of canals and causeways that supplied the hundreds of thousands of people who lived there and helped protect the city. Whenever there was an invasion, the Aztecs would just attack anyone that tried to come down the canals towards the island.

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj