| A | B |
| Constantinople | center/capital of the Byzantine Empire |
| Crusades | Christian holy wars 1095 - 1240 AD |
| Dardenelles & Bosporus | a waterway - strategic chokepoint in Byzantine Empire |
| icons | religious paintings often prayed to |
| Justinian Code | laws reorganized under Emperor Justinian |
| mosque | place where Muslims pray |
| church | place where Christians pray |
| Hagia Sophia | said to be the most beautiful church in Christianity - later turned into a mosque - located in Constantinople |
| Emperor Justinian | major leader of Byzantine Empire - reorganized govt. & laws |
| Cyrillic | language many Slavic languages are written in - 33 letters |
| Orthodox Christianity | a branch of Christianity - decentralized - no 1 major leader/official |
| strategic chokepoint | if 1 country is denied access to a place it could hurt them economically & cause them to go to war "in their NATIONAL INTERESTS" |