World War l Technologies

1. A a portable invention inspired by Marie Curie.
7. Gas that was well known in the Holocaust.
9. The country that invented machine guns.
10. Known as "No Man's Land", the land between trenches.
11. Slow, heavily armed "landships".
12. A poisonous weapon that would kill soldiers almost instantly.
14. Soldiers used these to save time instead of pocket watches.
15. For the first time these people were introduced to war and there were about 30,000 serving.

2. Underwater and armed.
3. Used for combat in the air.
4. A handheld explosive device.
5. British officers wore these to hold their gadgets and keep them from getting wet.
6. Used to protect soldiers from breathing in toxins.
8. Soldiers would dig walls around them and protect themselves with artillery as well.
13. A portable communication advice used in war fields.
14. It's barbed and is typically used for fences.