In the course of his discussion of the work of the Disarmament Commission, in his book on the League of Nations, Sir Alfred Zimmern asks why the British people were so active in sponsoring disarmament. The question arises because, as he points out, the project must evoke proposals in regard to security which they were in no mood to consider. “The explanation,” he proceeds, “no doubt is that the eventuality, however obvious it may seem in retrospect, was overlooked in the enthusiasm for what had become for a certain type of British opinion a moral crusade, rather than a realistic