| A | B |
|---|
| Byzantine Empire | Eastern Roman empire centered in Constantinople |
| strait | narrow body of water that cuts through land |
| moat | trench filled with water |
| Greek fire | chemical mixture that burned furiously, even in water |
| successor | a person who follows another in an office or role |
| iconaclast | image-breakers |
| Great Schism | Division of the Christian Church in 1054. |
| Justinian's Code | Unified or systematic body of law that brought order to Roman law. |
| Patriarch | helped the emperor run the Eastern Orthodox Church |
| Pope | head of the Roman Catholic Church |
