ancient civilizations

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Across
  1. 2. The longest river in the world.
  2. 5. An ancient Egyptian writer.
  3. 6. Another word for troopers.
  4. 8. An ancient civilization that starts with the letter P.
  5. 9. A mathmatical system invented by the Persians.
Down
  1. 1. System, A way to send things invented by the Persians.
  2. 3. An ancient civilization that starts with the letter E.
  3. 4. The leader of Egypt.
  4. 7. Mazda The Persian God.