What was the greatest of the Incas many achievements explain your answer

One of the greatest achievements of the Inca civilization was their advanced system of agriculture. The Inca people developed innovative techniques for farming in the Andean mountains, such as terrace farming, irrigation systems, and crop rotation. They were able to grow a variety of crops in diverse climates and terrains, allowing their empire to flourish and support a large population.

The Inca agricultural system was highly efficient and sustainable, as they practiced crop diversification and soil conservation methods. This allowed them to produce an abundance of food for their people, as well as surplus products for trade and tribute.

Additionally, the Inca Empire constructed an extensive network of roads and bridges that spanned thousands of miles across their vast territory. These roads facilitated communication, trade, and military movement, allowing the empire to maintain control over its diverse regions.

Overall, the Inca civilization's achievements in agriculture and infrastructure were crucial to the success and longevity of their empire. Their innovative agricultural practices and engineering feats have had a lasting impact on the Andean region and continue to be admired by historians and archaeologists.