In addition to the chinampas and terraces, civilisations such as the Olmec and Maya began to use science in order to more effectively cultivate crops. This was done by applying accurate knowledge of the seasons in order to devise effective yearly planting cycles.
Teotihuacán http://www.travelblog.org/Gallery/47467/l/29787.jpg http://www.world-mysteries.com/teot_map.gif Pyramid of the Sun Pyramid of the Moon Marketplace Temples and residential blocks Main thoroughfare
Hierarchical order, social classes and gendered labour division
Strict hierarchical structure and social classes were established in order to manage large city-states such as Teotihuacán
As with most civilisations there were upper, middle and lower classes
Within these classes there was clear-cut labour division between men and women