The document discusses the role of social science in promoting national integration and international understanding. It defines national integration as a feeling that binds citizens of a country. It states that national integration cannot be built by physical means alone, but must grow in people's minds and hearts. It argues that adopting a common school system, improving education standards, and making social and national service part of education can help promote social cohesion and national integration. It also stresses the importance of providing an international dimension in education to promote understanding between people and nations.