World War 1

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Across
  1. 2. This weapon was new to the battlefield but had catastrophic effects
  2. 3. This weapon was capable of creating craters in no mans land
  3. 6. Materials encouraging people to join something
  4. 7. The process of creating a union between countries
  5. 11. The bloodiest battle in British history
  6. 12. These dug outs were used for shelter, and for safety
  7. 13. Hiding information for security reasons
Down
  1. 1. Instigator of World War 1
  2. 3. This happened to Grand Duke Franz Ferdinand in Sarajevo
  3. 4. This was signed to agree peace at the end of the war
  4. 5. These people objected going to war
  5. 8. These small creatures could be found in Soldiers uniforms
  6. 9. This tool had multiple uses
  7. 10. These machines were only capable of going 3 miles per hour