The 80's

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Across
  1. 2. Summer Olympics were held here
  2. 4. The President who was longest in office(Last name)
  3. 6. the development of rap genre(Two words but no space)
  4. 7. Popular form of carrying/listening to music
Down
  1. 1. Number 1 movie genre of the 80's
  2. 3. Nuclear accident occurred here
  3. 5. From which company did the number one commercial come from