1. World War I Begins The German battle strategy was called the Schlieffen plan. Germany attacks France from the North after first invading Belgium.

2. World War I Begins As the Germans moved south, the French moved south too. N German army is Red, French Army is Blue. The Allies stayed between the Germans and Paris.

3. World War I: Trench Warfare As each side moved south, they dug elaborate trench systems to escape enemy fire. Neither side could gain any advantage on the other. Definition: Trench Warfare- non moving battle lines dug into the ground facing each other. In World War One, the opposing sides fought each other from trenches with neither side gaining any advantage until the end of the war.

4. World War I : Trench Warfare On the Western Front, both sides had trenches that stretched for over 450 miles. N

5. World War I Trench Warfare Aerial photo of German Trenches to the right and British trenches to the left. The area between the trenches is called no mans land. Why are the trenches zig zagged?

6. World War I Trench Warfare German army is Red, French Army is Blue.

7. World War I Trench Warfare Diagram of a New Zealand Army Trench

8. World War I Trench Warfare British Army in the Trenches1916

9. Trenchfoot From having wet feet most of the time and nowhere to dry them out

10. Dead bodies…. Left to rot in the trenches because of the machine gun fire that kept the soldiers in the trenches An easy food source for rats and a place to breed disease

11. In the trenches Not all trenches were deep.Many nations fought together

12. Soldiers of all nations hunted the rats– sometimes rations were short and meat was added to their diet

13. World War I Trench Warfare German trenches in a French Forest devastated by war.

14. World War I - Trench Warfare Going over the top!

15. New Weapons in World War I Machine Guns Browning Machine Guns used by British and American forces - water cooled and fires 450 to 600 rounds a minute

16. New Weapons in World War I Poison Gas was first used in 1914 by the French Gas masks were needed for soldiers and horses “Gas was one of a soldier’s greatest fears even though only it killed only 3% of soldiers in the war.”

17. Poison Gas A new weapon, hard to combat. Different gas mask styles were created by different countries. None were 100% effective.

18. Belgian Uniforms and masks Australian Gas mask

19. Japanese gas maskU. S. gas mask

21. New Weapons in World War I Tanks were first used in 1916 by the British. tanks frightened the Germans, but they were rather unreliable and broke down often.

22. New Weapons in World War I U Boats – German submarines unrestricted submarine warfare

23. New Weapons in World War I German U Boat attacking a US ship in 1915.

24. New Weapons in World War I Airplanes First used for observation, Later pilots were dropping bombs and shooting at each other. German Tri Plane British Sopwith Camel