Question

Why is it important that the Three Sisters agricultural system combined beans, corn, and squash?

Answer 1

Those three crops together provided complete nutrition; no single plant can provide all the nutrients a human body needs to survive

Step-by-step explanation:

Humans could exclusively eat the three sisters and have enough nutrients to sustain themselves.

Answer 2

According to Iroquois legend, corn, beans, and squash are three inseparable sisters who only grow and thrive together. ... Corn, beans and squash were among the first important crops domesticated by ancient Mesoamerican societies. Corn was the primary crop, providing more calories or energy per acre than any other.