Factors Leading to the End of the Cold War

In the late 1980s, a series of events occurred that led to the end of the Cold War, a period of geopolitical tension between the Soviet Union and the United States. One key event was the fall of the Berlin Wall in 1989, which symbolized the decline of communist power in Eastern Europe. This event not only marked the beginning of the reunification of Germany but also stood as a pivotal moment in the broader context of the Cold War. What was one of the major factors that contributed to the end of the Cold War?