Following Germany's defeat in World War I, the Germans signed the Versailles Treaty, superficially agreeing to limit their war powers. The Allies envisioned the future German army as a lightly armed border guard and international security force. The Germans had other plans. As early as 1919, James Corum contends, the tactical foundations were being laid for the Nazi Blitzkrieg. Between 1919 and 1933, German military leaders created and nurtured...