Across the Alliance: NATO Crossword Puzzle

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Across
  1. 3. a military alliance formed in 1949
  2. 5. the system that runs a country
  3. 8. NATO countries work together as an
  4. 9. NATO helps provide international
Down
  1. 1. people in charge of countries
  2. 2. a nation
  3. 4. NATO aims to maintain
  4. 6. the agreement that created NATO is called a
  5. 7. NATO was founded after this global conflict