System rigidity and economic recession are the fundamental reasons for the disintegration of the Soviet Union. After the Second World War, as the theme of the times gradually turned to peace and development, this system made the economic development slow, the imbalance of national economic development more serious, and the institutional disadvantages more prominent. Obviously, this system not only failed to complete the historical task of building the Soviet Union into a modern democratic country, but also put the Soviet Union in a weak position in the world competition with capitalism.
Leadership is an important reason that cannot be ignored. Gorbachev became General Secretary of the Central Committee of the Soviet Union in March 1985. He faced a turbulent world and a difficult domestic environment. He rushed to respond, leading the reform to various mistakes and wrong directions, which led to the disorientation of the whole country, the sudden increase of the crisis and the out-of-control order.
External causes and the evolution of the Soviet Union. Peaceful evolution is the strategy of western countries, especially the United States, to subvert socialist countries. The strategy of peaceful evolution has contributed to the drastic changes in the Soviet Union, but only when there is a political and social crisis and turmoil in the Soviet Union can external factors play a certain role.
Corruption leads to the decline of the party and the death of the country. The privileged phenomenon of cadres at all levels in the Soviet Union has existed for a long time. After World War II, a privileged class gradually formed and enjoyed various vested interests. In the late Soviet Union, the bureaucratic privileged class certainly occupied a very important position in the upper echelons of the party and the state, but as a bureaucratic group in power, they first relied on the original system and order to safeguard and safeguard their vested interests, so they could neither be active reformers nor radical opponents. Many people are good at observing the direction, have it both ways, and eventually become the beneficiary of drastic changes.