Nixon Detente

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Across
  1. 2. City where a 1975 agreement promoted human rights and trade
  2. 5. Treaty signed in 1972 that limited certain kinds of missiles
  3. 6. Treaty signed in 1968 to stop the spread of nuclear weapons
  4. 8. Country invaded by Soviet Union in 1979, ending detente
Down
  1. 1. Period of reduced tension between Soviets and US
  2. 3. Talks between US and Soviet Union to limit nuclear weapons
  3. 4. This Asian country's civil war caused tension between the US and Soviet Union in the 60's and 70's
  4. 7. Treaty signed in 1963 to limit nuclear testing