mesopotamia puzzle

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Across
  1. 4. the first emperor
  2. 5. an ancient written language in mesopotamia
  3. 6. a huge mud temple that was 7 stories tall
  4. 7. an extra supply of something
Down
  1. 1. an organized system of law
  2. 2. to take over the lands of others
  3. 3. river slow winding river in mesopotamia