 Complete the following phrase:  After eventually taking control of Warsaw in January 1945, the First Army took part in the VistulaOder Offensive. Subsequently it fought in Pomerania, breaking through the Pomeranian Wall Pommernstellung fortified line and capturing Fortress Kolberg, a heavily fortified city, in March. In AprilMay 1945, the First Army took part in the Soviet invasion of Germany and the final 