d in greater measurement to the commerce, which has made think to the specialists that the teotihuacano State could, through the commerce, introduce itself to recondite regions and thus to extend its cultural influence to other towns; although militaristas evidences exist and possible sacrifices, these belong to the final period of the large city.
             It is possible to emphasize the fact that Teotihuacan monopolized the operation and commerce of obsidian. Due to the ignorance of the metallurgy, the mesoamericanos towns used to obsidian to make objects I jab sharp, in addition of which it was an important element in the rite of Tezcatlipoca; to the being obsidian a product commercialized by Teotihuacan, thanks to cernanía of the volcano Knives, the greater obsidian vein of Mesoamérica, the importance of the city was much greater.
             It is during the period known like Teotihuacan III (350-650 a.C. approx.) when this culture lives its time on greater brightness and prosperity. Throughout the Classic horizon, along with Mount Alb&aa
             ...