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In recent years, public opinion in the democratic countries has become increasingly aware of the dangers inherent in the unlimited competition of a host of rival nationalistic movements and sovereign nation-states. Having recognized it as a danger to be overcome, many liberal thinkers, like the experts of the Royal Institute of International Affairs, or Mr. Max Lerner, are prone to assume that the trend toward nationalistic disintegration has already reached its peak. Many consequent suggestions of policy are based on the assumption that nationalism is declining, or about to decline.
Karl W. Deutsch (Mon,) studied this question.