How did using Three Sisters farming practices change life for colonists?

How did the Three Sisters help the colonists survive?

The Wampanoag grew corn, squash, and beans – crops known as the “Three Sisters” that make a potent growing team, especially in poor, sandy soil that doesn't retain nutrients or water. The three plants work well together to create fertile soil

Explanation:

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the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).