High Quality Content by WIKIPEDIA articles! The Uman Boto ani Offensive or Uman-Botoshany Offensive (Russian: - ) was a part of the Dnieper Carpathian Offensive , carried out by the Red Army in western Ukrainian SSR against the German Army Group South. The operation was successful, splitting the opposing Army Group in two and allowing the Soviet army to advance to the Dniester and Prut rivers in eastern Romania.