| A | B | 
| Karl Marx | founder of the communist theory, creaing the basic ideas of communism | 
| Reds | Communists who were agitators wanting to overthrow government around the world and adopted the symbolic color of communism | 
| Lenin | leader of the Bolsheviks | 
| Nicholas II | last czar of Russia | 
| Alexandra | last czarina of Russia | 
| Bolsheviks | radical socialists who wanted to over throw the Czar | 
| Duma | representative assembly at the time of the Czar | 
| Rasputin | "evil" monk who controlled the Czar's family | 
| Alexei | son of the Czar who had hemophelia | 
| Bloody Sunday | Peaceful demonstration that turned violent when the Czar's soldiers fired on the people | 
| Stalin | leader of Russia who creatd the Five-Year Plan to improve the U.S.S.R. | 
| U.S.S.R. | United Soviet Socialist Republics |