World War I

6. gas, a chemical released into the air that causes harm or death
8. information spread to influence people’s opinions or advance an organization’s or party’s ideas
9. Bond, a government bond sold to individuals to help support U.S. involvement in World War I
11. a German submarine
12. the money paid to compensate for damages in war
13. the idea that countries should form their own governments and borders to reflect the national origins of the people who live there
16. a form of government in which all the means of production and transportation are owned by the state
17. agreement between opposing sides in a conflict to stop fighting
18. of Versailles, the treaty that officially brought World War I to a close
21. gun, a piece of heavy artillery modified so that it can be pointed skyward at enemy planes

1. the belief that a government must create a strong military and be prepared to use it to achieve the country’s goals
2. diplomacy, the concept that the United States should drastically reduce its intervention in the affairs of other countries
3. a battle line between armies
4. the action of harming, interfering with, or destroying something
5. of Nations, an international peacekeeping organization proposed by President Woodrow Wilson after World War I
7. Migration, the mass movement of African Americans who left the South for cities in
10. an acute and highly contagious illness commonly called “the flu”
14. a disagreement with the government’s official opinion
15. the amount of confidence or enthusiasm felt by a group of people
16. objector, a person who refuses to fight in a war, often for religious reasons
19. liberty, individual rights protected by law from government interference
20. an armored, heavily armed vehicle that uses treads instead of wheels
22. North, beginning in 1910