Social Studies is fun

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Across
  1. 3. design something to allow easy movement
  2. 5. example of a waterway
  3. 6. the movement of people and goods
  4. 7. travel within a country
  5. 8. travel between two countries
  6. 9. logs of wood were joined together to form this
Down
  1. 1. to create something new
  2. 2. a mean of air transport
  3. 4. moves on a single track
  4. 5. the most widely used mode of transport