2. Causes of WWI Mrs. Gosnell The Great War and Its Aftermath (1914-1930) - The learner will analyze United States involvement in World War I and the war's influence on international affairs during the 1920's.

3. Entangling Alliances “Powder Keg” Europe was unstable in 1910s Europe was unstable in 1910s Monarchies falling Monarchies falling Clashes between Old and New Empires Clashes between Old and New Empires Imperialism in Europe disrupting balance of power Imperialism in Europe disrupting balance of power Called “Powder Keg” because Europe was on the verge of exploding Called “Powder Keg” because Europe was on the verge of exploding

4. European Colonies and Armies Britain- 7 cont. (8.9 million)Britain- 7 cont. (8.9 million) France- 3 cont. (8.4 million)France- 3 cont. (8.4 million) Russia- 3 cont. (12 million)Russia- 3 cont. (12 million) Germany- 3 cont.(11 million)Germany- 3 cont.(11 million) Italy- 1 cont. (5.6 million)Italy- 1 cont. (5.6 million) Ottomans- 2 cont.(2.8 million)Ottomans- 2 cont.(2.8 million)

7. Entangling Alliances Two Systems of Alliances Alliances- Groups of nations that pledge to protect one another if attacked Triple Entente (Allies) France France Great Britain Great Britain Russia Russia Triple Alliance (Central Powers) Austria-Hungary Austria-Hungary Germany Germany Italy Italy

9. MAIN Causes of WWI MAIN CAUSES OF WWI Militarism- building military Militarism- building military Alliances- Buddy system Alliances- Buddy system Imperialism- building an empire Imperialism- building an empire Nationalism- pride in a nation Nationalism- pride in a nation Countries of Europe were building huge armies and taking over smaller weaker countries!

10. Assassination leads to war Austria- Hungary taking over Bosnia Austria- Hungary taking over Bosnia Archduke Francis Ferdinand was assassinated by a Serbian terrorist from the Black Hand group in Sarajevo Archduke Francis Ferdinand was assassinated by a Serbian terrorist from the Black Hand group in Sarajevo Austria-Hungary declares war on Serbia Austria-Hungary declares war on Serbia Serbia had alliance with Russia Serbia had alliance with Russia (A-H) had alliance with Germany (A-H) had alliance with Germany Germany gives A-H a “blank check” Germany gives A-H a “blank check” Both alliances declare war against one another Both alliances declare war against one another

11. Archduke Franz FerdinandGavrilo Princip

12. War Begins WWI Begins Germany attacks France Germany attacks France Allies want a two front war Allies want a two front war Stalemates develop Stalemates develop “trench warfare” ensues “trench warfare” ensues both sides dig in both sides dig in War is slow and drawn out War is slow and drawn out

17. US Neutrality US wanted stay out of war US wanted stay out of war US sympathetic to Allies (GB) US sympathetic to Allies (GB) US sells war materials to both sides (guns, bombs, boats, food) US sells war materials to both sides (guns, bombs, boats, food) Unrestricted submarine warfare begins (German subs sinking Allied and American ships) Unrestricted submarine warfare begins (German subs sinking Allied and American ships) US tries to stay out of war US tries to stay out of war US Military was not in great shape US Military was not in great shape Woodrow Wilson (President) Woodrow Wilson (President)

20. Vocabulary Woodrow WilsonWoodrow Wilson Triple EntenteTriple Entente Triple AllianceTriple Alliance MilitarismMilitarism AlliancesAlliances ImperialismImperialism NationalismNationalism