Which condition initially prompted hydraulic agriculture in ancient Mexica?

💡 Explanation

Rising aridity spurred “chinampa” (floating garden) construction because increased rainfall variability caused failures in seasonal maize crops depending on steady rainfall, therefore intensive water management became necessary, rather than other issues initiating broad adoption.

• Which consequence occurs if expansion in a pietra dura inlay exceeds substrate?
• Which consequence results from excessive temperature variation inside a brass frame sextant?
• Which outcome occurred when Inca administrators relied excessively on quipu for state income records?
• Which mechanism caused widespread bronze tool failure in early Mesopotamian agricultural societies growing crops like wheat?
• Which risk increases when poorly maintained terraces experience prolonged rainfall on the Andes mountains?
• Which agricultural outcome accelerated after domestication of maize kernels lost their natural seed dispersal ability?