Water Transport

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Across
  1. 1. When was the first container vessel
  2. 4. Who designed the German U-Boat (last name)
  3. 7. Where would passenger submarines or boats have most impact on (countries)
  4. 8. When was the first boat made
Down
  1. 2. When were submarines first used
  2. 3. Where was the first submarine made
  3. 5. what were submarines first used for
  4. 6. What do people use to travel across oceans