About four million people lived in this civilization. The nobility held positions in the government. The nobles recieved large estates from the government. Male sons in noble families were sent to school and male adults were sent to select a career in the military service. The rest consisted of commoners, workers, and slaves. Males and females were not seen equally. Females were expected to stay at home while men had all the power. The Aztec believed in many gods. There were three gods they believed in. Ometeotl, represented all powerful forces of the heavens. Huitzilopochtli, was known as the god of the sun and of war. And Quetzalcoatl, had a more direct impact on the lives of people. When the Aztec arrived in the Valley of Mexico some people led them into a snake-infested region. The Aztec survived. in 1325, under attack by other people they were driven into the swamps and islands of Lake Texcoco. They built Tenoochtitlan where they saw an eagle standing on a rock on an island. They had found the land that had been promised to them. They built temples, buildings, and houses and many other things.