sentences:  Pressured by the Soviets, his commission produced a ready-made, pre-approved constitution within one day of its first meeting.The new constitution disposed of the limited monarchy altogether and formally established the Mongolian People's Republic (MPR).During the first session of the Mongolian Great Hural (parliament) in 1924, Tserendorj was appointed first Prime Minister of the MPR and was subsequently re-elected in 1926 and 1927.