World War I

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Across
  1. 1. who joined together to keep france isolated?
  2. 3. what did america try to keep between germany and great britain?
  3. 5. who sided against germany and austria-hungary during the war?
  4. 7. who invaded france in 1914?
  5. 10. who entered the war after the german u-boat sunk lusitania?
  6. 11. who did germany declare war on after russia went to serbia's aid?
  7. 13. was assassinated by serbia
  8. 14. where was the archduke franz ferdinand from
Down
  1. 2. who entered the war after germany's invasion on neutral belgium?
  2. 4. how many americans were killed when germany's resumption of submarine attacks on passenger and merchant ships in 1917
  3. 6. france, russia, and great britain joined together to form the...
  4. 8. germany, austria-hungary, and italy joined together to form the...
  5. 9. who came to serbia's aid?
  6. 12. who was overrun by the newly united germany in the franco-prussian war within 6 months?