| A | B |
| Lusitania | ship that was sunk when a German topedo ripped into its side |
| Self-determination | right to choose the form of government they live under and to control their internal affairs |
| Diaz-Madero-Huerta | rulers of Mexico, first one fell and the next took over and then was killed by the next |
| Pancho Villa | rebel leader that killed 18 American mining engineers in Mexico |
| Franz Ferdinand | archduke of Austria-Hungary, his assasination started World War I |
| alliances | unions |
| central powers | Germany, Austria-Hungary, Ottomon Empire |
| allied powers | britain, france, russia |
| nuetrality | impartiality |
| Battle of Verdun | 600,000 people killed in 1/2 year |
| Battle of Somme | 60,000 people killed in one day |
| dogfights | name given to clashes between enemy aircraft |
| Trench warfare | fought lice, rats, and the damness and cold, as well as diseases such as dysentery, gangrene, and trench mouth |
| no-man's land | area in between trenches |
| 1916 election | Wilson Vs. Charles Evans Hughes, Wilson won |
| Zimmermann note | offer from Germany to Mexico that Mexico would receive land lost if they became allies, led to US joining war |