1. Human Sacrifice
* The Inca, Maya, and Aztec all practiced human sacrifice on a large scale.
* The Inca sacrificed thousands of people each year, often in elaborate ceremonies.
* The Maya also practiced human sacrifice, often in connection with warfare.
* The Aztecs were particularly notorious for their human sacrifices, which were often carried out on a massive scale.
2. Warfare and Conquest
* The Inca, Maya, and Aztec were all highly militaristic societies, and they engaged in frequent warfare.
* The Inca conquered a vast empire through military conquest, and they were known for their brutality in warfare.
* The Maya also engaged in warfare, often between different city-states.
* The Aztecs were the most militaristic of the three civilizations, and they conquered a large empire through military conquest.
3. Slavery
* Slavery was practiced in all three civilizations.
* The Inca used slaves for a variety of purposes, including agriculture, construction, and mining.
* The Maya also used slaves, often as servants or laborers.
* The Aztecs used slaves for a variety of purposes, including agriculture, construction, and warfare.
4. Class Inequality
* The Inca, Maya, and Aztec were all highly stratified societies, with a small elite ruling class and a large underclass.
* The elite enjoyed privileges and luxury, while the underclass lived in poverty and oppression.
* In the Inca Empire, the ruling class was composed of the emperor and his family, as well as the nobles and priests.
* In the Maya civilization, the ruling class was composed of the kings, nobles, and priests.
* In the Aztec Empire, the ruling class was composed of the emperor, the nobles, and the military leaders.
5. Polygamy
* Polygamy was practiced by the elites in all three civilizations.
* In the Inca Empire, the emperor had many wives, as did the nobles.
* In the Maya civilization, the kings and nobles had multiple wives.
* In the Aztec Empire, the emperor and the nobles had multiple wives.
6. Suppression of Women's Rights
* Women had few rights in the Inca, Maya, and Aztec civilizations.
* They were often subject to discrimination and abuse.
* In the Inca Empire, women were not allowed to own property or inherit land.
* In the Maya civilization, women were not allowed to participate in government or hold positions of authority.
* In the Aztec Empire, women were not allowed to own property or inherit land, and they were often subject to abuse.
It is important to note that these dark aspects of the Inca, Maya, and Aztec civilizations were not unique to them.
Many other civilizations in history have also engaged in similar practices.**
However, the Inca, Maya, and Aztec were highly advanced and complex civilizations, and the dark aspects of their societies are a reminder that even the most advanced civilizations can have flaws.