| A | B |
| milartism | use of strong armies and the threat of force to gain power |
| alliance | a formal agreement or treaty among nations formed to advance common interests or causes |
| imperialism | the act of building an empire; a cause of WWI |
| nationalism | the demand for self rule and a strong feeling of loyalty to one's nation |
| Russian Revolution | A revolution that transformed Russia from Czarist rule to the USSR |
| Communism | an economic and political system in which the government owns or controls almost all of the means of production, industries, wages, and prices |
| U-Boats | German submarines used during both World Wars |
| Treat of Versailles | Peace agreement that was signed at the end of WWI |
| Reparations | money repaid by a defeated country for losses suffered as a result of war |
| Dictator | one who rules a country with complete authority |
| Depression | a severe and prolonged economic downturn |
| Nazism | ideas of the Nazi party including racist nationalixm, national expansion, and state control of the economy |
| genocide | the planned killing of an entire race of people |
| Holocaust | the mass murder of millions of Jews and others by Nazis |