Many of the tribes forcibly relocated to Indian Territory were from Southeastern United States, including the so-called Five Civilized Tribes or Cherokee, Chickasaw, Choctaw, Muscogee Creeks, and Seminole, but also the Natchez, Yuchi, Alabama, Koasati, and Caddo people.
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They're used by humans for fossil fuel and in entertainment. They were not created by the human race, they were created through thousands of being underground and soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
He made everyone observe Buddhist practices.
