Michael ww1 crossword puzzle

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Across
  1. 3. belief that your country or group is better and should be independent
  2. 6. began to shovel ditches for protection from bullets, grenades and more
  3. 8. a main issue that WW1 started
  4. 10. Austria-hungary, germany, Ottoman empire, and others were working together in WW1 to try to beat the allied power.
Down
  1. 1. Countries like Serbia, Russia, France and more joined this group in Ww1
  2. 2. countries in Europe and the U.S joined together in France and made punishments for Germany
  3. 4. face of America
  4. 5. countries working together to solve something.
  5. 7. Germany told Mexico to attempt to fight the U.S
  6. 9. countries that didn't pick a side in WW1