'If Germany stays united and marches to the rhythm of its revolutionary socialist outlook, it will be unbeatable. Our indestructible will to life, and the driving force of the Fuhrer's personality guarantee this.' (Joseph Goebbels, 4 June 1943.) It wasn't and it didn't. After the collapse of the German Army in the West in August 1944, the western Allies raced towards the borders of the Reich its...