Aincient macepotamia 9 questions

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Across
  1. 3. How long has Mesopotamia existed?
  2. 6. What big thing did they build?
  3. 7. Which Empire observes the stars?
  4. 8. When did they attack Cachish?
  5. 9. When did the person king Cyrys concurre BabyLion?
Down
  1. 1. How many langueges has adapted from Hamamarabi?
  2. 2. How many Base 60 Systems are there?
  3. 4. What is the name of the old code they spoke?
  4. 5. How many BC before now, has the tablet describing a sale of land?