What impact did the events in Afghanistan have on the external and internal situation of the USSR?

External situation of the USSR: – strengthening of the confrontation between the USSR and the USA in the framework of the “cold war”; – some decline in the prestige of the USSR due to the defeat in the war; – destruction of friendly relations with Afghanistan; – experience in conducting military operations in difficult conditions, new developments in the military industry. The internal situation of the USSR: – internal contradictions in connection with huge military expenditures (deficit, economic crisis, etc.); – dissatisfaction of the population; – the opposition of the USSR to the Muslim religion.