OKLAHOMA

Oklahoma contains 39 federally recognized Native American tribal nations, more than any other state, a direct consequence of the Indian Removal Act of 1830 and the forced relocations that brought dozens of tribes to the territory along routes now known as the Trail of Tears. The state also preserves a significant stretch of Route 66, the highway that carried hundreds of thousands of Depression-era migrants westward in the 1930s, and its Wichita Mountains Wildlife Refuge maintains one of the last free-ranging bison herds in the southern plains.

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