What was the purpose of chinampas for the aztecs

Chinampas were used to increase food production.

Explanation:

Aztec Farm crops. Farms included crops of maize, beans, and squash. Tomatoes and chilies were also popular crops. But the gardens and particularly the chinampas were used to grow large amounts of flowers, making the Aztec farming land an even more lush and colourful place.

- a.) african slaves and indentured servant’s

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this isn't a question and if you're going to list things be kind and use commas.