Answer:
Some of the achievements of the Inca civilizations included:
Farming: They stood out for being very good agriculturists. They created terraces in the mountains where they cultivated: corn, potatoes, tomatoes, peanuts, pineapples among many others. They built aqueducts that transported water to the places of cultivation.
Quipus: The Incas had an accounting system that was based on quipus. They were strings of several strings tied to a central line with knots. The number and position of the knots, as well as the color of each string, represented information about merchandise and other resources.
Musical instruments: The Incas loved music. They invented many wind and percussion musical instruments. These instruments are still used by the inhabitants of the regions where the Inca culture was developed.
The royal clans the enuchs confucians scholars were the three among who create the division in china
