He was promoted to a brigadier general on August 19, 1863. He agreed to run and was elected governor of the portions of Louisiana still under Confederate control, taking office in January 1864; his tenure ended with the Confederacy's collapse in the spring of 1865.Eicher, John H., and David J. Eicher. Civil War High Commands. Stanford, CA: Stanford University Press, 2001. , p. 101
