Which technique did the Zapotec use to farm steep mountain terrain?

The technique use by the Zapotec to farm steep mountain terrain was through canal irrigation.

The Zapotecs make use of the water from small streams which caused them to be able to provide water to Monte Albán which was located 400 meters above the valley floor. Even after many years the Archeologist found the remains of minor irrigation system such as Dam and a canal on the south eastern parts of the mountain.

B. They used terrace farming.

Explanation:

According to a different source, these are the options that come with this question:

A. They used llamas to farm.

B. They used terrace farming.

C. They grew high-altitude crops.

D. They built cisterns to store water.

The technique that the Zapotecs used for farming was terrace farming. The Zapotecs were an indigenous civilization that originated in the valley of Oaxaca, in present Mexico. The Zapotec were one of the most advanced civilizations of Mesoamerica, and they created an empire around the city of Monte Alban. The Zapotecs developed an advanced calendar, as well as a system of writing which preceded that of the Aztec, Maya and Mixtec.