Virginia Indians began domesticating plants to be used as a food
source following the Ice Age. As the climate warmed, their lives became less nomadic
and the conditions improved for husbanding certain plants—sunflower, knotweed, and
little barley at first, and then the so-called three sisters of maize, beans, and
squash. Eastern North America is one of ten sites in the world where independent
plant domestication occurred, but because of other abundant food sources in the. . .
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