What were some unique ways the Aztecs and the Inca grew food and farmed?

These methods included irrigation, fertilizer, and even building terraces on hills that were previously not farmable. The truly original idea, however, was that of chinampas.Chinampas were floating gardens built on swamps

Explanation:

The Aztecs made Chinampas, which were floating gardens, to maximize the amount of space on their small island, and it was a unique and effective way of farming since it utilized water to grow crops evenly and gave them space. The Incas used terraces, man-made ledges, and other farming methods to help people to farm on the tall mountains they lived on. The Incan people also built cisterns and canals that angled down and around the mountains. The irrigation systems they used were unique and effective.

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it was displayed because they had a love for war