As an organic whole, the fundamental force to promote social development must be within human society, which is always emphasized by Marxist philosophy. The internal cause is the foundation of the development of things, and the correct answer to the motive force of social development can only be found within human society.

Second, class struggle is the direct driving force of social development.

The role of class struggle in the development of social history lies in that it can constantly change the two pairs of relations of basic social contradictions, make them adapt and coordinate, and then promote the development and progress of social history. Class struggle plays an important role in the development of social history, but as a historical category, class struggle is not eternal, especially in socialist society, so we can't emphasize class struggle unilaterally, otherwise it will be counterproductive, and the Cultural Revolution is a painful lesson.

Third, people are the creators of history.

(1) People are the creators of social material wealth.

(2) People are creators of social spiritual wealth.

(3) The people are the decisive force for social change.

Fourth, the role of revolution in social development.

The great role of revolution in social development: "Revolution is the locomotive of history" and a powerful driving force for social and political progress. First of all, social revolution is an important means and decisive link to realize the replacement of social forms; Secondly, social revolution can give full play to the enthusiasm and great role of the people in creating history; Finally, the proletarian revolution will create conditions for eliminating class confrontation, making full use of the achievements of civilization of all mankind and promoting all-round social progress.

V. The role of reform in social development

Reform is another important driving force to promote social development. The important role of reform in social and historical development mainly lies in that it is an effective way and means to solve basic social contradictions, promote the development of productive forces and promote social progress to a certain extent.

The role of science and technology of intransitive verbs in social development

As an important symbol of advanced productive forces, science and technology play a very important role in promoting social development. The scientific and technological revolution is a powerful lever to promote economic and social development. Science and technology, especially the scientific and technological revolution, is "a revolutionary force that has played a driving role in history".