ything that floats is OK" -- because governments generally do not use boats to oppress demonstrators or opposition forces. After World War II, the Allies had initially forbidden Germany from building large submarines. As a result, the chief supplier to the German navy, Howaldtswerke-Deutsche Werft AG

egan, Hitler still thought this a bluff and kept his 28 divisions at Calais waiting for the imagined attack. Without this intelligence advantage, the Allies would have needed a much larger invasion force, and Churchill believed Turing’s work shortened the war by as much as two years. The cracking of Enig