How secure was the USSR's control over Eastern Europe 1948-1989

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Across
  1. 2. Russian secret police
  2. 5. portion of Germany under Communist rule
  3. 6. Polish nationwide independent trade union formed
  4. 8. leading Hungarian catholic arrested, tortured and put in prison
  5. 10. Prime minister of the UK during World War 2
  6. 11. leader of ruling Communist Party in Czechoslovakia later replaced
  7. 12. newspaper Polish workers used to spread their messages
  8. 13. a period of reform with the government making changes to many aspects of life in Czechoslovakia
  9. 16. new leader of Soviet Union after Stalin's death
  10. 17. new leader of ruling Communist Party in Czechoslovakia
  11. 19. line dividing Europe into Soviet-controlled East and Capitalist West
  12. 20. Germany,Italy,Japan and their allies during World War 2
Down
  1. 1. wall built in Berlin in 1961
  2. 3. doctrine named after a leader of the UUSR
  3. 4. portion of Germany receiving help from Marshall Plan
  4. 7. last president of Soviet Union
  5. 9. Czech student who killed himself by setting himself on fire
  6. 14. international organization founded in 1945 to promote peace, security and economic development
  7. 15. Hungarian Secret Police
  8. 18. mutual defense treaty between eight communist states