The territory was conquered not a monotonous climate, but also covered such diverse climates as the high altitude polar climate towarm climates. There was a wide variety of ecosystems from coniferous forests, mixed deciduous ecosystems to warm such as tropical forests, rocky deserts, deciduous forest, mangroves, tropical forest, among other ecosystems.
During the 13 th century A. BC, a tribe of wild characteristics migrated northwest of the present territory of Mexico to reach the Central Valley in order to be establishedon wetlands. The Aztecs, according to legend, came from the island called Aztlan, meaning “white place" or "place of herons.” The geographical location of Aztlan is unknown, and several sites have been identified as the cradle of this nation. However, some historians tend to agree that was located in the present Mexican state of Nayarit.According to sources such as Migrant and Codices Scrolls Aztecs,Aztlan was the site where he was Chicomostoc, or instead of the 7caves. It was a complex of seven temples where seven tribes ofAztecs worshiped Huitzilopochtli, the god of war.Apparently, the worshiping Huitzilopochtli with the tyranny of the elitein Aztlan Mexica Chicomostoc, led the Aztecs to migrate south tofind the "promised land." They believed to be the "chosen people"by the god of war.
The people of Culhuacán allowed the Aztecs to settle and as a result, the Mexica or Aztecs began the assimilation of the culture oftheir neighbors. Later, given the cruel and fierce cultural practicesofthe Aztecs, were expelled and forced to flee. At that point, moved toLake Texcoco, where they finally found the small, swampy islandwhere the eagle on a cactus devouring a snake. In this way, Tenochtitlan, the capital of the Aztec Empire, began to be built.
During his trip, Huitzilopochtli, through dreams, told the Aztecs whowere led by the priest Tenoch, where should be established, thissitewould be recognized by the presence of an island where aswallow eagle on a cactus, a snake.
However, at that time, the Valley of Mexico is not uninhabited. Therefore, the arrival of the Aztecs, they had a place to stay.Sources such as the Codex Boturini, the Codex Aubin, as well aslegends, it is known that first settled, arround 1248, at Chapultepec,a hill on the western shoreof Lake Texcoco, and, later, in 1299, inTizapán.
For the second half of the 14th century, the Aztecs began a growthin militarypower flow leaving their warrior spirit. So, they attackedand subordinated to its neighbors.
Taxes, payments and prisoners of war taken to slaughter werecommon practices that contributed to the expansion and thestrength of the Aztec Empire. The hatred was a common sentiment among neighboring cities. Gradually, the empire was taking shape.
After several afflictions, which were dominated by...