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Why was bletchley park able to break the Enigma code?

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Matthew Smithies 10M Bletchley Park Question 2 The Enigma Machine was a revolutionary coding device invented buy the Germans in 1919. It operated on a series of rotors and plugs and codes were able to be changed constantly to create over 150 Million Million code possibilities. No conventional code breaking methods would work against the Enigma as, if one code were cracked; another would replace it straight away. The Germans believed it impossible to crack. Bletchley Park was greatly helped to crack the Enigma by the Poles. The Poles needed to crack Enigma to defend themselves against the Germans but constant upgrades prevented them from getting very far. By 1938, The Poles had managed to build their own replica Enigma from instructions obtained from a German cipher worker. They were now able to crack Enigma codes much easier. A mathematician called Marian Rejewski really made this possible as he largely built the replica...

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