The British answered all the questions the Americans posed. By so doing the British saved the Americans several years of organizational effort in setting up their code-breaking operations. The British also gave the Americans a paper version of the German Enigma code machine, allowing the Americans to start their own deciphering of the German ciphers. The real problem appears that Marshall’s unilateral decision to trust the British causes a breach between the Chief of Staff and the Navy when it comes to future code-related matters, which makes the Army-Navy debate about who failed to do what at
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