The German opposition question in British World War II strategy: interpreting Hugh Trevor-Roper’s wartime intelligence reporting

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ABSTRACT What explains the British decision not to lend significant support to the internal German opposition to Hitler during World War II? Some historians have labelled the absence of aid to the German resistance as an intelligence failure. P.R.J. Winter and others instead accuse the British government of policy failure by highlighting the excellent efforts of Britain’s wartime radio intelligence team, led by Hugh Trevor-Roper. But by closely reading the key piece of evidence in this case for intelligence success, the ‘Canaris and Himmler’ report, and by placing that assessment in the broader context of Trevor-Roper’s intelligence reporting through the end of the war, we argue that Trevor-Roper’s team did not lay the analytical groundwork for a shift in British strategy. Trevor-Roper neither appreciated nor conveyed to British policymakers the existence and strength of the German opposition, and he denigrated the opposition’s central hub, the Abwehr. This can be classed as a significant intelligence failure. Nevertheless, we also suggest that the intelligence versus policy failure framing of the German opposition question is something of a false dichotomy, as Whitehall’s intelligence and policy communities operated under a shared set of assumptions and reinforced each other’s beliefs about the appropriateness of British strategy.