What kind of civilization is Aztec civilization, one of the three major civilizations formed by Indians?

Aztec civilization originated in the valley of Mexico. The Aztecs are a branch of the Indians. As early as 6000 BC, he had been engaged in farming activities. Through Olmec, Teotihuacan and Toltec civilizations. Olmec civilization was about 1200 BC ~ 100 BC, and Olmecs took the lead in creating characters and calendars in America. Teotihuacan civilization rose in 200 BC, flourished in 350 AD and declined in 750 AD. It is famous for its brilliant architectural and mural achievements in art, from which some dancing gestures can be seen. Toltec civilization rose in 950 AD; 1 150 or so, due to infighting, the Aztecs took the opportunity to invade. Later, through the campaign, the sphere of influence expanded to the whole of Mexico and parts of Central America. Spanish colonists occupied this area in 152 1 year. Aztec children and teenagers must be trained in singing and dancing. Therefore, there are training schools called "Singing House" and "Dancing House", which are used for sacrificial ceremonies and also sing songs to celebrate their history and traditions. After graduating from preparatory school, you can study architecture, agriculture, sculpture, painting, music, dance, drama, poetry and so on in professional colleges. The development of Aztec culture had just started, and it was destroyed by the Spanish invaders by extremely barbaric means.