| A | B |
| Treaty of Versailles | agreement to end World War One |
| embargo | limiting or stopping trade/exports |
| communism | government controls all businesses |
| democracy | government where people have a say in what happens |
| Czar | leader/king |
| Axis Powers | Alliance between Germany, Italy and Japan in WW II |
| Allied Powers | Alliance mainly between France, Britain, and US in both wars |
| facisim | Type of government in Italy during WWII |
| Murder of Archduke Ferdinand | caused start of WW I |
| Great Depression | occured in US in 1930s |
| isolationism | remaining nuetral during time of conflict |
| Invasion of Poland | Reason for start of WW II |
| Attack on Pearl Harbor | One reason for US involvement in WW II |
| Sinking of Lusitania/German & Mexican secret agreement | One reson for US involvement in WW I |