Berlin Wall

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Across
  1. 5. Iconic Berlin landmark
  2. 7. Military alliance of communist countries
  3. 10. Peaceful overthrow of Czechoslovakia's communist government
  4. 12. First names of Gorbachev and his wife, who were popular figures during the late 1980s
  5. 15. Soviet policy of openness and transparency
  6. 16. Political and military tension between the US and Soviet Union
  7. 18. Democratic state in western Germany
  8. 19. First name of Reagan
  9. 20. Sudden failure of the Soviet Union's political and economic systems
  10. 21. First name of Yeltsin, the first President of post-Soviet Russia
  11. 23. Human rights agreement signed by Western and Soviet countries in 1975
  12. 24. Communist state in eastern Germany
  13. 26. Powerful arms that were a major source of tension during the Cold War
  14. 28. Rejoining of East and West Germany
  15. 29. Communist state that controlled East Germany
Down
  1. 1. West German currency used in the reunification process
  2. 2. Western effort to supply Berlin during the Soviet blockade in 1948-1949
  3. 3. Soviet leader who initiated reforms in the late 1980s
  4. 4. East German secret police
  5. 6. Policies of reform in the Soviet Union
  6. 8. Famous border crossing between East and West Berlin
  7. 9. Competition between the US and Soviet Union to build up military power
  8. 11. Metaphorical boundary dividing Europe during the Cold War
  9. 12. First name of Gorbachev
  10. 13. Polish trade union and social movement that helped bring down communism
  11. 14. Protests in East Germany in 1989 that contributed to the fall of communism
  12. 17. Concrete barrier separating East and West Berlin
  13. 22. Soviet policy of restructuring the economy and government
  14. 25. Military alliance of Western countries
  15. 27. US President who famously called for the Berlin Wall to be torn down