As soon as the vacillating masses find themselves facing an opposition that is made up of different groups of enemies their sense of objectivity will be aroused and they will ask how is it that all the others can be in the wrong and they themselves, and their movement, alone in the right.

Such a feeling would be the first step towards a paralysis of their fighting vigour. Where there are various enemies who are split up into divergent groups it will be necessary to block them all together as forming one solid front, so that the mass of followers in a popular movement may see only one common enemy against whom they have to fight. Such uniformity intensifies their belief in the justice of their own cause and strengthens their feeling of hostility towards the opponent.

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