World Columbian Exposition.

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Across
  1. 2. Washer that only sprays water no soap.
  2. 4. Nickname of fair
  3. 7. Buildings were made out of the plaster
  4. 8. World fair Themed
  5. 9. Cracker jacks,Hersheys, hot dog bubble gum
Down
  1. 1. The main attraction at the fair.
  2. 3. Where you don’t have to walk to get around
  3. 5. Moving walk way, electric dishwasher
  4. 6. Columbian Exposition named after this guy who came to America