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| | Neolithic period. The Columbia Encyclopedia, Sixth Edition. 2001-05 |
 | | B.C. There the domestication of plants and animals was probably begun by the Mesolithic Natufian peoples, leading to the establishment of settled villages based on the cultivation of cereals, including wheat, barley, and millet, and the raising of cattle, sheep, goats, and pigs. |
 | | B.C. Neolithic culture spread through Europe, the Nile valley (Egypt), the Indus valley (India), and the Huang He valley (N China). |
 | | B.C., Neolithic cultures based on the cultivation of corn, beans, squash, and other plants were present in Mexico and South America, leading to the rise of the Inca and Aztec civilizations and spreading to other parts of the Americas by the time of European contact. |
| www.bartleby.com /65/ne/Neolithi.html (461 words) |
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