During Oklahoma's constitutional convention, Haskell succeeded in pushing for the inclusion of prohibition and blocking the inclusion of women's suffrage in the Oklahoma Constitution. As governor, he was responsible for moving the state capital to Oklahoma City, establishing schools and state agencies, reforming the territorial prison system, and enforcing prohibition. The constitution prohibited persons from having successive terms in the governor's office. Lee Cruce succeeded Haskell, who returned to his law practice and related business activities. Haskell died of a stroke in 1933.