The Warsaw Pact was created as a counterbalance by the Socialist countries to NATO in the early stages of the Cold War.
The original purpose was to formulate a collective defense treaty against the threat of a NATO attack. This goal later went further and further from its original mission, Moscow used the Warsaw Pact to intervene within the Eastern European countries.
And what will be will be, in September 1968, the armies of the Warsaw Pact entered Czechoslovakia on the pretext of protecting this country from Western influence. This was also one of the reasons leading to the disintegration of the Warsaw Pact later.
One of the negative impacts on the Warsaw Pact was the “Brezhnev doctrine” of the Soviet Union, which caused the member countries to lose their autonomy. Meanwhile the Soviet Union was the largest contributor to the Warsaw Pact, leading to the disintegration of this military alliance at any time.
Though not politically successful, the Warsaw pact helped Eastern Europe significantly strengthen their military capabilities. The Soviet Union provided a wide range of military equipment and aid. Even in 1979, the Warsaw Pact established a global electronic intelligence center, consisting of electronic reconnaissance stations and systems located around the world. This had a significant impact on NATO’s military plans during the Cold War.
However, despite possessing great strength, the Warsaw Pact’s insides were completely not in the same direction. The disagreement between countries was growing. The “Brezhnev doctrine” of the Soviet Union made the political climate in Eastern Europe more and more stifling than ever.
Nevertheless, the Warsaw Pact, with the core of the Soviet Union, Poland and Czechoslovakia, continued to maintain its military presence in most of Eastern Europe until the early 1980s. On April 26, 1985, in Warsaw, a new treaty extending the operations of the Warsaw Pact was signed, for an additional 20 years. Few doubted at that time that the fate of this military pact was about to end.
After Mikhail Gorbachev took over the leadership of the Soviet Union in 1985, the Soviet political theories tended to change, typically with the “Brezhnev doctrine”. Gorbachev believed that this theory was a mistake. And this Soviet leader decided to carry out an unprecedented political reform, from 1985-1990.