- 
  
  WW2 ends, which also ends American-soviet cooperation.
- 
  
  
- 
  
  (1948-49)
 Berlin Wall:(WW11)GErmany, Soviet Union blocked the Western allies railway, road, and canal access to sections of Berlin.
- 
  
  Marshall Plan: American initiative to aid western Europe.
- 
  
  Berlin blockade and consequent airlift increases tensions.
- 
  
  Truman establishes the Marshall Plan to contain communist expansion.
- 
  
  NATO(North Atlantic Treaty Organization) Intergovernmental military alliance based on the North Atlantic Treaty.
- 
  
  Creation of NATO to deter any aggression from the soviet bloc.
- 
  
  Korean War: Between North and South Korea.
- 
  
  BEgins after the USSR fails to show up for a veto in the UN. Starting the proxy war.
- 
  
  Warsaw Pact: Military alliance of communist nations in eastern Europe.
 Collective security: Cooperation of several countries in an alliance to strengthen the security of each.
- 
  
  CReation of the Warsaw Pact as a response to NATO throught Collective security.
- 
  
  Demonstrates that the Warsaw Pact is not ideologically unified, but this is crused by the Warsaw Pact forces.
- 
  
  Peaceful co-existence: competition without war.
- 
  
  Berlin Wall; Divided Berlin from 1961-89.(West and East)
 Expansion: Action of becoming larger or more extensive.
- 
  
  Built to prevent further Western expansion in the region.
- 
  
  Khrushchev calls for peaceful co-existence.
 Peaceful co-existence:
- 
  
  Cuban Missile crisis:Thirteen day confrontation between U.S. and the soviet over soviet Ballistic missiles deployed in Cuba.
 Brinkmanship: Practice of pursuing a dangerous policy to the limits of safety before stopping, usually in politics.
- 
  
  Almost leads to a nuclear war between the the superpowers due to brinkmanship.
- 
  
  Prague Spring; Period of political liberalization in Czechsolovakia after WW2 by soviet Union.
 Brezhnev doctrine: Leonid Brezhnev gave right to soviet Union to intervene in affairs of Communist countries to strengthen communism.
- 
  
  Nuclear non-proliferation Treaty: Objective to prevent spread of nuclear weapons and technology.
- 
  
  Ends when the Soviet Union invades, followed by the Brezhnev Doctrine.
- 
  
  Nuclear Non-proliferation Treaty is signed.
- 
  
  Helsinki Accord: Reduce tension between soviet and western bloc.
 Detente: Easing of hostility of strained relations, especially between countries.
- 
  
  Provides a degree of detente during the cold war.
- 
  
  Ends, demonstrating the failure of containment and the Domino theory.
- 
  
  (1979-89)
 Soviet invasion of Afghanistan: Lasted nine years.
- 
  
  Leads to an increase of hostilities.
- 
  
  Solidarity: Agreement of action, usually individuals with acommon interest.
 Pro-democracy: Movement of democracy to a country.
- 
  
  Solidarity trade union organizes the pro-democracy movement in Poland.
- 
  
  START: Military doctrine developed by Indian Armed Forces in a possible war with Pakistan.
 Deterrence: Strategy intended to dissuade an adversary from taking an action not yet started.
- 
  
  Is signed to reduce the number of nuclear weapons being created as a form of deterrence.
- 
  
  Berlin Wall is torn down, a year later Germany is reunified.
- 
  
  Soviet Union ceases to exist, effectively ending the cold War.
- 
  
  Warsaw Pact is dissolved, with some members seeking to join NATO.
