Middle East Crossword puzzle(some words have spaces & dashes)

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Across
  1. 3. First civilization
  2. 8. one of the connects between the black sea and Mediterranean; Gallipoli campaign fought there.
  3. 9. Longest river in the world
Down
  1. 1. Biggest country in the Middle East
  2. 2. Tallest structures for 2000 years; great mystery of ancient world
  3. 4. biggest religion in middle east
  4. 5. ruler of the ottoman empire; messy transition between them
  5. 6. country north of Syria, and west of Iran; was apart of ottoman empire
  6. 7. Centuries-long empire; fell in 1922