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| | Oklahoma - Wikipedia, the free encyclopedia |
 | | The Choctaw, Creek, Chickasaw, Seminole, and Cherokee tribes (the Five Civilized Tribes) living in the Southern United States were considered civilized because of their adoption of Western customs and in the case of the Cherokee, the development of a written language, as well as having good relationships with their neighbors. |
 | | During the height of the Great Depression, drought and poor agricultural practices led to the Dust Bowl, when massive dust storms blew away the soil from large tracts of arable land and deposited it on nearby farms and ranches, distant states, the Atlantic Ocean, and even occasionally Great Britain. |
 | | Primary interstate highways in Oklahoma include I-35, which traverses the state from north to south, I-40, which traverses the state from east to west, and I-44, which enters Oklahoma in the northeast and leaves the state toward the southwest. |
| en.wikipedia.org /wiki/Oklahoma (5394 words) |
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