Eastern civilizations crossword

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Across
  1. 2. First emperor of china
  2. 6. . Adopted Confucian principles
  3. 7. Chinas
  4. 8. who conquered the Shang?
  5. 9. Lowest social class
  6. 10. Led an unsuccessful invasion of Greece
Down
  1. 1. Special term that describes the route of the trade between Central Asia and China
  2. 3. ruled china from 221-206 BC
  3. 4. Who founded persia
  4. 5. Used to be Mesopotamia