Maize cultivation began in Mesoamerica in about 5000 B.C.E. By around 3500 B.C.E., Native Americans had domesticated potatoes in the Andes Mountains and manioc—a starchy root crop—in the Amazon Basin. Within another one thousand years, women in parts of eastern North America had begun cultivating favored varieties of squash, sunflowers, and grasses.

The word “varieties” in the passage is closest in meaning to? 


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