Explain the impact that key mesoamerican and South American rulers had on their civilizations

The key impact is on economic, cultural, and political characteristics of the major civilizations of Meso and South America. Various characteristics such as architecture, literature, agriculture, mathematics, trade networks, astronomy and various forms of government were present in all of the major civilizations.

Explanation:

Essential contributions and features of meso americans are:

Unique farming method where maya civilization used fertilizer to promote plant growth. The city of technological advancement. Transformation from pastorals to agriculture and cultivation. Promotion of Travel.

With the growth of cities in meso america and also in south america civilization arose and spreaded over the whole continent.

Maya, Zapotec, Mixtec and Aztec are important four civilization of meso america. Both meso america and south america practices the culture of human sacrifice in the name of religion.