The villages that inhabited America before the European conquest had various forms of economic and social organization. Some had developed urban societies and other practiced only simple farming, or some were hunters and gatherers. The characteristics between the populations were the belief in gods, agriculture, architecture that was huge, mathematics, astronomy regarding calendars, the use of their environments and the conquest of populations. The Aztecs and Incas differ in many respects, both cultural and social as religious and economic.

“The Aztecs were a people Nahuatl origin that happened and beat other people of the same origin; they dominated almost the entire territory of Mexico ”. One of the important features that should be mentioned is the religion; “The Aztecs were polytheistic, rendered cult the sun and the other stars the sun being the most important. The sacrifices, human and animal, were an integral part of Aztec religion. For warriors the highest honor was to fall in battle or to volunteer for sacrifice in important ceremonies. They were convinced that they should feed their gods with human blood so they performed human sacrifices ”.

In the economic side, agriculture was the basis of life of the Aztecs, “the number of cultivated species was abundant. In the other hand, Livestock was very poor, since the number of domesticated animals was very low: the most important were the turkey and several species of dogs, one of which was to consume meat” . One of the techniques developed by the Aztecs were the “chinampas. This was a way Aztec’s demonstrate their ability to organize large amount of labor ”. Unlike the Aztecs, the Incas founded a “massive empire in the Andes in the 15th century, before the conquest of the New World by the Spanish. The economy of the Incas was totally different from the Aztecs. The Incas were notable for the