The First World War damaged the European psyche, and physically and mentally maimed a whole generation of European men fortunate enough to survive the maelstrom. Nowhere was this more apparent than in post-war and Weimar Germany. For some young German veterans, the war never ended; they simply brought it home to continue the fight in the chaotic streets of the new republic. They revelled in the experience of violence, which they directed against their enemies, real and imagined. Between 1919 and 1923, dozens of loosely-organized groups embarked on a campaign of revolutionary terrorism designed to spark a civil war and unite the disparate elements of the German Right behind the goal of creating an authoritarian state. After the failure of th...