| A | B |
|---|
| Eddie Rickenbacker | American aviator who was the most decorated combat pilot of World War I and later became president (1938-1963) of Eastern airlines. |
| Selective Service act | A law enacted in 1917 that required men to register for military service. |
| convoy system | The protection of merchant ships from U-boat attacks by having the ships travel in large groups under the protection of warships. |
| Alvin York | A redheaded mountaineer and blacksmith from tennessee, known to be one of America's gretest war heroes. |
| conscientious objector | One who on the basis of religious or moral principles refuses to bear arms or participate in military service. |
| mechanized warfare | Military operations that depend on motorized vehicles, such as tanks and aircraft. |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 10 |
