Unfortunately, the civilian leaders were unable to achieve unity. After a falling-out with Pridi, Khuang was replaced as prime minister by the regent's nominee, Seni, who had returned to Thailand from his post as leader of the Free Thai movement in Washington. The scramble for power among factions in late-1945 created political divisions in the ranks of the civilian leaders that destroyed their potential for making a common stand against the resurgent political force of the military in the postwar years.