Across
- 4. – The side that included France, Britain, Russia, and later the U.S.
- 9. – The dangerous land between enemy trenches.
- 10. – A painful condition caused by standing in wet, muddy trenches too long.
- 12. – When a country builds a strong military and is ready to use it.
- 13. – His assassination started World War I.
- 15. – The side that included Germany, Austria-Hungary, and others.
- 17. – The empire that declared war on Serbia, starting the war.
- 18. – When a powerful country takes over smaller countries or lands.
Down
- 1. – Strong pride in your country that can lead to conflict.
- 2. – A deep ditch soldiers dug to stay safe during battles.
- 3. – A deadly, colorless gas that took time to harm people.
- 5. – A greenish gas that burned lungs and caused choking.
- 6. – The country blamed for killing Franz Ferdinand.
- 7. – Sharp wire used to stop enemy soldiers from crossing trenches.
- 8. – A huge war from 1914 to 1918 that involved many countries.
- 11. – A face mask worn to protect soldiers from deadly gas.
- 12. – A chemical that burned skin and eyes, even through clothes.
- 14. – A group of countries that agree to help each other in war.
- 16. – Using poison gas as a weapon in war.