C. They both practiced slash-and-burn agriculture.
The primary motivation for the non-Aztec Native Americans to help Cortes fight the Aztecs was that they were promised a share of the land that would be opened up after Cortez beat the Aztecs.
At the equilibrium price and quantity, there is neither a surplus nor a shortage of the product. How does price affect a seller's decision to produce a product? If the price consumers are willing to pay for a product is high, producers will produce more of that product.
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