World War I Vocabulary Vocabulary Word 1. Nationalism Pg. 667 2. Militarism Pg. 667 3. Alliances Pg. 667 4. Trench warfare Pg. 669 5. U-Boats Pg. 670 Definition Taking extreme pride in one’s nation or ethnic group, often to the point of war or death. The loyalty to their country comes first. The policy of glorifying military power and military ideas. This leads to a buildup of military strength within the country. Agreements between nations that have similar interests. Battles fought by two sides from their protective ditches or “trenches.” German submarines (Underwater boat) They were first used during WWI. 6. Reparations Pg. 690 Debts that a losing nation must pay to make up for the harm caused during the war. 7. Propaganda Pg. 672 Ideas or information designed and spread to influence peoples’ opinion. 8. Stalemate Pg. 804 9. Armistice Pg. 652, 680 Where action stops during a battle because both sides are equally powerful and neither will give in. A temporary agreement to stop fighting. 10. Allies Nations that join together in a common effort, they agree to help one another. 11. Expansionism Pg. 639 Americans who wanted the United States to become more powerful by taking control of new territories. 12. Pacifist Pg. 686 A person against the use of war or violence to settle disputes.