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 :

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.

the war powers resolution (also known as the war powers resolution of 1973 or the war powers act) (50 u.s.c. 1541–1548) is a federal law intended to check the president's power to commit the united states to an armed conflict without the consent of the u.s. congress.

explanation:

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.