Recent years have seen constantly broadening professional ties and the development of fruitful collaboration among the philosophers of the socialist countries in solving pressing problems of dialectical materialism, sociophilosophical problems of developed socialist society, and problems of the revolution in science and technology, as well as the strengthening of the united front of Marxist-Leninists in the struggle they are presently waging against bourgeois ideology, anticommunism, and Right and "Left" revisionism.

Recent years have seen constantly broadening professional ties and the development of fruitful collaboration among the philosophers of the socialist countries in solving pressing problems of dialectical materialism, sociophilosophical problems of developed socialist society, and problems of the revolution in science and technology, as well as the strengthening of the united front of Marxist-Leninists in the struggle they are presently waging against bourgeois ideology, anticommunism, and Right and "Left" revisionism.

The unity and diversity of the worldwide process of history is one of the central problems in Marxist-Leninist social thought. The dialectical materialist interpretation of the unity of world history lies at the basis of the primary, fundamental positions of the Marxist theory of society and of the paths by which this develops; it underlies the inevitability of socialist revolution, and the establishment of a classless, communist society throughout the world.