World war 1

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Across
  1. 2. extending economic and political control over variouse poeples of the world
  2. 6. they pledge support to serbia
  3. 7. the development of armed forces
  4. 9. was a stretch of land between two countries trenches
Down
  1. 1. an event that started world war 1
  2. 3. supports belgium and declares war on germany
  3. 4. somthing that comprised of the counties germany,austria- hungary, and italy
  4. 5. was used in the war to shoot other the other sides military and was an automatic
  5. 8. a davotion to the interenst and culture of one's nation
  6. 10. a country backing another country