| A | B |
| Constantine | united Roman Empire |
| Constantinople | caital of the "new" Roman empire |
| Istanbul | modern day Constantinople |
| Turkey | bridges Europe & Asia(modern Constantinople) |
| Western half of Roman empire | fell in 476 AD |
| Eastern Roman Empire became | Byzantine Empire |
| Religion and Christianity | conflict between East & West Roman Empire |
| Christian church split | West/ Roman Catholic East/ Eastern Orthodox |
| Greco-Roman | blend Greek & Roman culture |
| Example of Greco-Roman | Common lang. Greek/ Latin lang. of govern |