N ATIONALISM, from its reemergence in the i8th century in its modern form, has become a most important current in social life the world over. From the point of view of sociology, nationalism and its associated attitudes of patriotism and chauvinism are one aspect of a general tendency existing in society to retain the culture of the group, regarding it as better and higher than the cultures of other groups. It is, for example, when the solidarity of a nation is threatened by the impact of other cultures or by the increasing strength of small groups within that nation, that national feeling will manifest itself most strongly. Antagonism between members of different national groups is in the last instance nothing more than an emotional reaction against others with different cultural characteristics, such as language, behavior patterns, or beliefs. It is also essentially the difference in cultures that brings about the difficulty in the adjustment of immigrants to their newly adopted country. It is this problem that has caused various nationality groups in the United States to concentrate in specific areas of our cities with a tendency to recreate an environment similar to the one they had in their land of origin. Invariably the process of assimilation, which sets in, especially with the second generation of these immigrants, is counterbalanced in part by organized attempts of various institutions (the church, the family, recreational groups, etc.) to keep alive the old national feeling by fostering the native language, attitudes and customs. This is not surprising since many national states desire that such citizens who are forced to