In the modern practice of developing countries in the contemporary world, one has come to the empirical conclusion that a country's per capita gross national product (GNP) from $300 to $4,000 is a period of social shock  In this period, the contradiction between traditional society and modern society erupts, and the whole social structure will be completely updated
Many developing countries have experienced violent social shocks in the process of their modernization
 In fact, even the developed countries in Europe and the United States have experienced similar periods