China

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Across
  1. 2. system Mesopotamia
  2. 4. Chinese monks
  3. 5. Chinese alchemist
  4. 7. a ruling family
  5. 8. rode a network of routes used by traders for more than 1,500 years
Down
  1. 1. ancient Sumerians
  2. 3. Ts'ai Lun
  3. 4. wall First Emperor
  4. 6. China
  5. 9. the Egyptians and the Chinese