There was of course a dual advantage in not defining the number of men and the mission: first, it permitted the principals themselves to keep the illusion that they were not going to war, and it permitted them not to come to terms with budget needs and the political needs. Thus, if the mission was not defined it did not exist, and if the number of troops was not set it could always be controlled. Second, if the figure was not decided upon and crystallized within the inner circle, it could not leak out to the press and to the Congress, where all kinds of enemies lurked and would seize upon it
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