Answer:
While it is true that the Soviet Union has had a great responsibility in the duration of the Cold War due to the constant warlike confrontations in which it entered (the last being the invasion of Afghanistan), the United States has also had great responsibility in terms of to the duration of the event. It is true that, towards the end of the Cold War (when the Soviet defeat was imminent), America began to urge for the culmination of the confrontation and the Soviet withdrawal (with events such as Reagan's speech in front of the Berlin Wall), but also It is true that during the last years of the Cold War there were numerous American military participations, especially in Latin America.