1. Warfare and Technology in World War I

2. First Move of the War
Germany invaded Belgium, a neutral country, to attack France.
The German advance was stopped about 30 miles from Paris.
The war bogged down as both sides dug a long series of trenches, creating the Western Front.

3. Trench Warfare

4. Trench Warfare Over 400 miles of trenches built across Europe
Machine guns pointed at each other’s trenches
Barbed wire in middle- called No Man’s Land
Caused many stalemates

5. Trench Warfare
Battles lasted a long time- ex) Battle of Somme lasted 4 months
Extremely high causalities- Battle of Somme 630,000
Both sides looked to find new ways to defeat trenches

6. Life in the Trenches Extremely Dirty Diseases

7. Why Trench Warfare? What would be the purpose of using trenches?
Do you think trenches would be possible in today’s world?

8. “Say Hello to my Little Friend”
The era’s deadly defensive weapons made attacks difficult and dangerous.
Neither side could overcome the other’s defenses, and a stalemate quickly developed. 8

9. Machine Guns

10. Artillery Field Guns

11. Poisonous Gas

12. Submarines

13. Tanks and Armored Cars

14. Airplanes