The Social History of the Choctaw Nation 1865-1907

Upon their arrival in Oklahoma, the Choctaw Indian people set up a constitutional form of government with three separate branches: legislative, judicial, and executive. They operated in this manner until statehood in 1907. The Choctaw Nation dissolved after statehood, tribal government ceased to exist, and all people were brought under the jurisdiction of the Oklahoma state government. --- excerpt from book's Preface