Terms : Hide Images
| 15358394289 | Byzantine Empire | a continuation of the Roman Empire in the Middle East | 0 | |
| 15358394290 | Constantinople | The capital of the Byzantine Empire where Christianity was legalized | 1 | |
| 15358399518 | Justinian | The Emperor of the Byzantine Empire | 2 | |
| 15358405034 | Caesaropapism | The doctrine that the state is supreme over the church | 3 | |
| 15358410045 | Eastern Orthodox / Christianity | The religion if Jesus Christ of Nazareth | 4 | |
| 15358415084 | Icons | Holy images | 5 | |
| 15358420089 | Kievan Rus | A monarchy established in Russia | 6 | |
| 15358425769 | Prince Vladimir of Keiv | The leader of Kieven Rus that chose the religion of the Byzantine Empire as the national religion | 7 | |
| 15358425770 | Charlmagne | The first leader after the Western Christendom and Catholic split | 8 | |
| 15358434349 | Holy Roman Empire | A collection of territories in Western and Central Europe | 9 | |
| 15358434350 | Roman Catholic Church | The Christian Church based in the Vatican and lead by a pope | 10 | |
| 15358443084 | Western Christendom | a split on due to disagreements in religion, leadership, languages, etc. | 11 | |
| 15358449595 | Crusades | A military expeditions launched by the pope and carried out by Christians | 12 | |
| 15358455512 | European cities | European city-states that started trade connections | 13 | |
| 15358460222 | System of competing states | European city-states that encouraged military and economic competition | 14 | |
| 15358467580 | Aristotle and classical Greek learning | A Greek philosopher helped shape the learning in many countries | 15 |
