Three sisters stood rooted in a single spot. They did not move, for an entire year. One was tall and slim. She had silky smooth hair. Another was short and fat. She laid on the ground, resting. The third sister was medium height and wobbly on her feet, but she clung to her tall sibling, so she did not fall down.
Who are they? What are their names? . . .
Answer: Corn, Beans, Squash . . . the 'triad' of Native American crops that support and provide nutrition to each other and replenish the soil.
