The Early Soviet Response
        
                        
                                                                                    
                                                                                            Consolidation of Power in Eastern Europe  | 
                                                                                                                        After World War II, the Soviet Union quickly moved to establish control over Eastern Europe, creating a buffer zone of communist states.  | 
                                                                                 
                                                                                            
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                                                                                                                        By installing pro-Soviet governments in countries like Poland, East Germany, Hungary, and Czechoslovakia, the USSR secured its western front and countered Western influence.  | 
                                                                                 
                                                                                            
                                                                                            The Iron Curtain  | 
                                                                                                                        The division between Eastern and Western Europe was solidified by the "Iron Curtain," a term popularized by Winston Churchill in 1946 to describe the ideological and physical boundary separating the Soviet-controlled East from the West.  | 
                                                                                 
                                                                                            
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                                                                                                                        The Iron Curtain symbolized the growing divide between the Soviet bloc and the Western democracies, with Eastern Europe effectively isolated from the West.  | 
                                                                                 
                                                                                            
                                                                                            Formation of the Cominform (1947)  | 
                                                                                                                        In response to the Truman Doctrine and the Marshall Plan, the Soviet Union established the Communist Information Bureau (Cominform) to coordinate and strengthen communist parties across Europe.  | 
                                                                                 
                                                                                            
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                                                                                                                        The Cominform aimed to maintain Soviet control over communist parties in Eastern Europe and to support communist movements in Western Europe.  | 
                                                                                 
                                                                         
                             
    
    
            The Berlin Blockade & Airlift (1948-1949)
        
                        
                                                                                    
                                                                                            Background  | 
                                                                                                                        Berlin, located deep within Soviet-occupied East Germany, was a focal point of Cold War tensions. The city was divided into sectors controlled by the U.S., Britain, France, and the Soviet Union.  | 
                                                                                 
                                                                                            
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                                                                                                                        In 1948, in response to the introduction of a new currency in West Berlin and the growing influence of the West in the city, the Soviet Union blocked all land and water routes into West Berlin.  | 
                                                                                 
                                                                                            
                                                                                            Soviet Objectives  | 
                                                                                                                        The blockade was an attempt to force the Western Allies out of Berlin and to prevent the unification of the Western zones of Germany, which the Soviets feared would create a strong, capitalist state aligned with the U.S.  | 
                                                                                 
                                                                                            
                                                                                            Western Response and Soviet Reaction  | 
                                                                                                                        The U.S. and its allies responded with the Berlin Airlift, a massive operation to supply West Berlin with food, fuel, and other necessities via air.  | 
                                                                                 
                                                                                            
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                                                                                                                        The success of the airlift forced the Soviets to lift the blockade in May 1949, marking a significant failure for the Soviet strategy and a victory for the U.S. policy of containment.  | 
                                                                                 
                                                                         
                             
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            The Formation of the Warsaw Pact (1955)
        
                        
                                                                                    
                                                                                            Background  | 
                                                                                                                        In response to the formation of NATO and West Germany’s integration into the Western alliance, the Soviet Union established the Warsaw Pact in 1955.  | 
                                                                                 
                                                                                            
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                                                                                                                        The Warsaw Pact was a collective defense treaty among the Soviet Union and its Eastern European satellite states, serving as a military counterbalance to NATO.  | 
                                                                                 
                                                                                            
                                                                                            Purpose of the Warsaw Pact  | 
                                                                                                                        The Warsaw Pact formalized Soviet military control over Eastern Europe and ensured that member states would support the USSR in case of a conflict with NATO.  | 
                                                                                 
                                                                                            
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                                                                                                                        It also allowed the Soviet Union to station troops in member countries, further solidifying its control over the region.  | 
                                                                                 
                                                                                            
                                                                                            Impact on Cold War Dynamics  | 
                                                                                                                        The formation of the Warsaw Pact deepened the division between East and West, contributing to the militarization of the Cold War and the perpetuation of the arms race.  | 
                                                                                 
                                                                                            
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                                                                                                                        It also provided a mechanism for the Soviet Union to intervene militarily in Eastern Europe, as seen in the crushing of uprisings in Hungary (1956) and Czechoslovakia (1968).  | 
                                                                                 
                                                                         
                             
    
    
            The Spread of Communism
        
                        
                                                                                    
                                                                                            Support for Communist Movements  | 
                                                                                                                        The Soviet Union actively supported communist movements and regimes in Asia, Africa, and Latin America as a way to counter U.S. influence and expand its own.  | 
                                                                                 
                                                                                            
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                                                                                                                        This included support for the Chinese Communist Party during the Chinese Civil War, assistance to North Korea during the Korean War, and backing for North Vietnam during the Vietnam War.  | 
                                                                                 
                                                                                            
                                                                                            Cuban Missile Crisis (1962)  | 
                                                                                                                        The Soviet placement of nuclear missiles in Cuba, just 90 miles from the U.S. coast, was a direct response to U.S. containment policies, particularly the presence of U.S. missiles in Turkey and Italy.  | 
                                                                                 
                                                                                            
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                                                                                                                        The crisis brought the world to the brink of nuclear war but ended with the Soviet Union agreeing to remove the missiles in exchange for a U.S. pledge not to invade Cuba and the secret removal of U.S. missiles from Turkey.  | 
                                                                                 
                                                                                            
                                                                                            The Soviet-Afghan War (1979-1989)  | 
                                                                                                                        The Soviet invasion of Afghanistan in 1979 was an attempt to prop up a communist government and prevent the spread of Islamic insurgency, which was seen as a threat to Soviet control in Central Asia.  | 
                                                                                 
                                                                                            
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                                                                                                                        The U.S. supported Afghan mujahideen fighters through covert operations, turning the conflict into a protracted and costly war for the Soviet Union, contributing to its eventual collapse.  | 
                                                                                 
                                                                         
                             
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            Soviet Domestic Policies
        
                        
                                                                                    
                                                                                            Increased Repression and Control  | 
                                                                                                                        Internally, the Soviet leadership, particularly under Stalin, responded to the pressures of containment by tightening political control, increasing propaganda, and suppressing dissent.  | 
                                                                                 
                                                                                            
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                                                                                                                        The Gulag system was expanded, and political purges were conducted to eliminate perceived enemies of the state.  | 
                                                                                 
                                                                                            
                                                                                            Economic and Military Strain  | 
                                                                                                                        The Soviet Union invested heavily in its military and space programs to keep pace with the U.S., leading to significant economic strain.  | 
                                                                                 
                                                                                            
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                                                                                                                        The arms race, particularly the development of nuclear weapons and ballistic missiles, diverted resources from the civilian economy and contributed to long-term economic stagnation.  | 
                                                                                 
                                                                         
                             
    
    
            The Later Years
        
                        
                                                                                    
                                                                                            Glasnost and Perestroika  | 
                                                                                                                        By the 1980s, the Soviet economy was faltering under the weight of military spending and inefficiency. Mikhail Gorbachev, who became General Secretary in 1985, introduced reforms to address these issues.  | 
                                                                                 
                                                                                            
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                                                                                                                        Glasnost (openness) and Perestroika (restructuring) aimed to make the Soviet system more transparent and efficient, but they also unleashed forces that ultimately weakened the Soviet state.  | 
                                                                                 
                                                                                            
                                                                                            Reduction of Cold War Tensions  | 
                                                                                                                        Gorbachev sought to ease Cold War tensions through arms control agreements, such as the Intermediate-Range Nuclear Forces Treaty (INF) with the U.S. in 1987.  | 
                                                                                 
                                                                                            
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                                                                                                                        He also signaled a reduction in Soviet interventionism by withdrawing troops from Afghanistan and allowing Eastern European countries to pursue their own paths, leading to the collapse of communist regimes in the region.  | 
                                                                                 
                                                                                            
                                                                                            Collapse of the Soviet Union (1991)  | 
                                                                                                                        The combination of internal economic problems, nationalist movements within the Soviet republics, and external pressures from U.S. policies led to the dissolution of the Soviet Union in 1991.  | 
                                                                                 
                                                                                            
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                                                                                                                        The end of the Cold War marked the failure of the Soviet response to U.S. containment and the collapse of the communist bloc in Eastern Europe.  | 
                                                                                 
                                                                         
                             
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