Richard Nixon crossword.

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Across
  1. 3. Relaxing international tension
  2. 5. Harvard University professor
  3. 7. restricted the number of certain types of nuclear missles
  4. 8. Strong US, USSR, Europe, China, and Japan supporting each other
  5. 10. Nixon 37th president
Down
  1. 1. US and China played
  2. 2. Opposed it
  3. 4. US got involved
  4. 6. Biggest threat to the US if we ever went to war
  5. 9. second largest global super power