1. World War I or The Great War or The War to End all Wars Begins

2. What were the MAIN causes of WWI? M ilitarism Keeping an armed force always prepared for war A lliance Agreements between countries forced them into war I mperialism Competition for colonies pushed European nations to the brink of war N ationalism Intense pride and loyalty to your country, countries cannot back down when challenged

3. What Ignites the War? Balkan Peninsula Known as the “Powder Keg” of Europe Archduke Franz Ferdinand and wife (Heirs to Austrian Throne) assassinated by Serbian terrorist group Takes place in Sarajevo, Bosnia June 28, 1914. Austria-Hungary declares war on Serbia one month later

6. Franz Ferdinand and wife Sophie

7. Assassination of the Archduke

8. Why is it considered a “World War?” Alliances forced many nations to declare war against each other War started quickly since militaries are ready to fight It takes less than 2 months for most of Europe to be at war First battle Aug. 22, 1914

10. Mobilization of troops.

11. Participants of WWI Allied Powers Great Britain France Russia Italy Japan United States (1917) Central Powers Germany Austria-Hungary Ottoman Empire (Turkey)

12. Where did the fighting take place? Two Front War Western Front – Northern France Eastern Front – German/Russian Border

14. What Changes were there in Warfare? New technology and advances in weapons War tactics were not as advanced as the weapons Trench Warfare becomes main war tactic Stalemate – neither side can get an advantage, long and bloody battles without any winners

16. Allied trench

19. Tanks What new weapons were introduced during WWI?

20. Machine Guns

21. Planes

22. Submarines and Torpedos Unterseeboot (U-Boats)

23. Flamethrowers

24. Grenades

25. Trench Mortar

26. Poison gas

27. QUESTIONS?