Communication, travel , time

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Across
  1. 3. Media Instagram and Facebook are categorized s this.
  2. 6. Transportation underground in New York city.
  3. 9. Another word for communication around the world.
Down
  1. 1. Another word for go fast.
  2. 2. to produce something over a wide range.
  3. 3. According to the Japanese what were black whole monsters.
  4. 4. When you are doing two things at once.
  5. 5. What was used to transport goods using coal.
  6. 7. What resource was used to make guns and rail roads.
  7. 8. What natural resource was used for steamships and bridges.