sentences:  OVO was reinstated as the Ukrainian forces were pushed out the area in April to August 1919.The district was reformed by the decision of October 11, 1939 specifically for the occupation of Bessarabia after the Soviet Union signed Molotov–Ribbentrop Pact.At that time its territory included the newly created Moldovian SSR, six oblasts of the Ukrainian SSR (Izmail, Odessa, Dnipropetrovsk, Zaporizhia, Mykolaiv, Kirovohrad) and also the Crimean Autonomous Soviet Socialist Republic as part of the Russian SFSR.