Middle East Crossword!

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Across
  1. 4. The greatest leader of the Akkadian Empire?
  2. 6. Who were the first rulers?
  3. 7. Who introduced new technologies such as chariots and metalworking?
Down
  1. 1. Who founded the Persian Empire?
  2. 2. What's the name of the first Empire in the world?
  3. 3. What's the first language they made called?
  4. 5. Who established the city-state of Babylon?