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2. WHO: Many countries in Europe WHAT: A war WHERE: Europe WHEN: 1914-1918 WHY: Countries in Europe were feeling nervous other countries would attack them, so they formed alliances for protection. Once one attack occurred, the war began © One Stop Teacher Shop

3. An agreement between nations to defend one another If one country is attacked, the other members of the alliance promise to help them. For example: France and Italy have an alliance. If France is attacked, Italy will _____________! © One Stop Teacher Shop

4. Austria-Hungary controlled land in Serbia Serbia thought they owned the land A Serbian man killed Archduke Franz Ferdinand from Austria-Hungary (who was to be king of Austria-Hungary) Austria-Hungary declared war on Serbia © One Stop Teacher Shop

5. If the pink gorilla eats watermelon every night, how much watermelons does he eat? © One Stop Teacher Shop

6. Allied Powers Serbia Russia France Belgium Great Britain Central Powers Austria-Hungary Germany © One Stop Teacher Shop

7. If the pink gorilla eats watermelon every night, how much watermelons does he eat? Woodrow Wilson (President of the U.S.) decided isolationism was the best option (we were not going to get involved) © One Stop Teacher Shop

8. Germany attacked and sunk the British ship the Lusitania (The U.S. did not agree with this) Germany sent a telegram to Mexico asking them to join the Central Powers-in return, Germany would help Mexico get back land from the U.S. Germany sank 3 U.S. ships © One Stop Teacher Shop

9. The United States joined WWI (as an Allied Power), declaring war against the Central Powers Allied Powers Central Powers Serbia Russia France Belgium Great Britain United States Austria-Hungary Germany © One Stop Teacher Shop

10. If the pink gorilla eats watermelon every night, how much watermelons does he eat? Trench Warfare- Soldiers on each side dug a system of trenches that faced each other. Barbed wire fences protected the front of each trench. No-man’s land was the land between the trenches the no one controlled. The soldiers ate and slept in the trenches which were often filled with rats and water © One Stop Teacher Shop

11. Poisonous Gas Gas masks (to protect from poisonous gas) Airplanes (used to drop bombs) Machine Gun Tanks © One Stop Teacher Shop

12. Cause: Men were fighting, so there were less people to produce food Effect: War Gardens were created Cause: Men were fighting, so there were less people to work in factories Effect: Women worked in factories Cause: Men were needed to fight in the war Effect: Propaganda posters were used to encourage men to enlist © One Stop Teacher Shop

13. If the pink gorilla eats watermelon every night, how much watermelons does he eat? What’s the message? © One Stop Teacher Shop

14. With help from the U.S., the Allied Powers are able to defeat the Central Powers. The Central Powers surrender on November 11, 1918 © One Stop Teacher Shop

15. The Treaty of Versailles officially ended WWI Germany was forced to pay heavy fines for their actions The League of Nations was created Goal: to prevent future wars © One Stop Teacher Shop