1. P o i s o n
G a s
Francesca Hechanova,Rana Elsayed, Kara Little, Asra Mazhar, Reham Refai

2. C o u n t r y D e v e l o p m e n t
The first recorded gas attack during WWI was by the french.
They used it to stop the German Army from advancing throughout Belgium in August 1914.

3. French soldier
and
Early Gas Mask

4. H o w d i d t h e y u s e i t?
tear gas grenades or shells of xylyl bromide that were used originally as irritant

5. H o w d i d t h e y u s e i t?
Chlorine gas released from pressurized containers with the aid of wind direction

7. How It Changed Fighting Techniques
Poison gas created a new element of surprise
Soldiers realized the trenches didn’t hide them from all kinds of attacks
Creating effective protection from the gas became a priority

8. Poison Gas was most feared weapon of this war.
I n t e r e s t i n g F a c t s
Poison Gas was most feared weapon of this war.
If attacks were unsuccessful, victim would be left in agony for weeks or months before giving in to injuries

9. H o w I t’s I m p r o v e d ?
it has become deadlier.
nerve gas did not exist in WWI.
most gases used were tear gas, chlorine, phosgene, and mustard gas.
Poison gas is no longer used except by rogue states.

10. A d v a n t a g e s Difficult to protect yourself from gas attacks
Huge element of surprise
If the soldiers weren’t killed they were still greatly affected by the gas
Mustard gas remained in soil, making the areas affected dangerous

11. D i s a d v a n t a g e s Poor weather
rain would put out the gas bombs
Deadly if used on a windy day
Easy to detect
ex. Chlorine

12. I m p a c t o n W a r
US also developed new chemical weapons. Harry S. Truman, captain of U.S. field artillery unit, fired poison gas against the Germans in 1918.
Total of over 100,000 tons of chemical weapons were used throughout WWI. Total of 30,000 troops were killed due to poison gas, 500,000 injured. (2,000 Americans)

13. A f t e r W W I . . . Yemeni Conflict of 1996-67
Iran-Iraq War of
Used to full advantage against forces that did not possess gas masks

14. I n t e r e s t i n g F a c t s
1990 → US and Soviet Union signed agreement to cut chemical weapon arsenals by 80%
1993 → International Treaty signed banning production and use of chemical weapons. Took effect in 1997.

15. W o r k s C i t e d

16. T h e E n d.