| A | B |
| taiga | cold, rainy agricultural region |
| iconoclasts | those against worshipping idols |
| czar | absolute monarch or caesar |
| boyars | Kievan Russian nobles |
| Rurik | leader of the Rus |
| Justinian Code | preserved Roman history and laws |
| Vladimir I | ordered Kievans to become Christians. |
| The Iconoclast Controversy | argument over use of pictures to teach religion in churches. |
| The patriarch of Constantinople. | The most powerful religious leader in the East |
| The steppes | fertile land for agriculture. |
| Hagia Sophia | an example of the importance of religion in Byzantine culture. |
| Veches | used in Kievan Russia to discuss important matters |
| “third Rome” | Moscow as center of Orthodox church. |
| Icons | pictures used to express the ideas of Christianity |
| Slavs | dominant people in the southern part of Eastern Europe. |
| Seljuq Turks | weakened the Byzantine Empire |
| Mongols | invaders from central Asia. |
| Ivan III | Ivan The Great, removed Mongols from Russia |
| Ivan IV | Ivan the Terrible, expanded Russia into Siberia |
| Mehmed II | Ottoman Turk leader who conqured Byzantine Empire. |