World War One CrossWord Puzzle

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Across
  1. 2. powers the countries at war with the central powers
  2. 6. princip assassinated Ferdinand
  3. 7. a strong security system for our country
  4. 8. a final demand
Down
  1. 1. pertaining to the ....states or their inhabitants
  2. 3. entente an informal understanding among countries
  3. 4. the act of assembling and making troops and supplies ready for war
  4. 5. powers the powers consisting of 4 countries
  5. 9. franz Ferdinand the archduke of Austria este