Topic: World War I Aim: How did trench warfare and new weapons affect fighting in World War I?

1. Topic: World War IAim: How did trench warfare and new weapons affect fighting in World War I? Do-now: Military Deaths Pie Chart Homework: Complete questions based on reading

2. Why was WWI unique? • WWI was unique for many reasons. • WWI was the first total war of the 20th century • Total war: an international war where all of a country’s resources are used to destroy another country • WWI was also known as “The Great War,” and the “war to end all wars” • Due to the new war strategies and weapons

4. Trench Warfare • Central and Allied forces used deep ditches to defend their positions • Trenches stretched 400-500 miles across Western Europe • Trenches were cold, wet, and dirty • Diseases easily spread in the trenches • Trenches ranged from small holes to complex networks with rooms

7. U-boats or Submarines • Germany’s fleet of U-boats were the largest and most advanced • They attacked Allied shipping across the Atlantic • German attacks on Allied ships severely hurt the supply of weapons and ammunitions to the Allies

11. Tanks • The use of tanks were introduced during WWI • They replaced cavalry units (horses) • The first tanks were tough and could cause heavy damage • Especially trenches • They were also slow and hard to maneuver

14. Machine Guns • Machine guns were introduced during WWI • They were used in the trenches and on airplanes • Allowed for rapid fire of bullets

17. Poison Gas • Chemical warfare was introduced during WWI • Poison gases • Chlorine gas • Mustard gas • Poison gas would destroy the lungs • Killing the soldier slowly • Soldiers wore gas masks to protect themselves

21. The Airplane • The use of airplanes in wartime was introduced during WWI • Originally, Allied and Central Powers used airplanes for spying • Machine guns were later added to shoot down enemy spies

24. Flamethrowers

27. Long Range Guns

29. Big Bertha

30. Grenade

32. Europe 1914