The correct answer is D) using open-range grazing and tribal ownership of herds.
The statement that best describes the five tribes' approach to ranching before the Civil War is "using open-range grazing and tribal ownership of herds."
The Oklahoma territory was the place that was used to cattle ranching in 1840, by the five tribes. These tribes were the Cherokee, the Choctaw, the Creek, Seminole the Chickasaw. The Native American Indian tribes used cattle ranching in the Plains using open-range grazing. All the members of the tribe owned the herds and the worked and took care of the herds to cover their necessities.