| A | B |
| Barracks Emperors | Romman generals who used their troops to gain power. |
| Adoratio | Elaborate ceremony when presented to the emperor. |
| Tetrarchy | Division of the Empire into four divisions under four rulers. |
| Constantine | Emperor who moved the capital of the empire to the East. |
| Annona | Taxes paid in goods if no gold or silver was available. |
| Debasement | Copper substituted for Gold or Silver in Coins. |
| Inflation | Drastic drop in the value of money coupled with a rise in prices. |
| Diocletian | Emperor who divided the Empire into east and west and issued the Edict of Maximum Prices. |
| Decuriones | Top 10 % of the population by wealth, rule the cities. |
| Latifundia | Large estates worked by tenant farmers and/or slaves. |
| Coloni | Tenant farmers who settle on farm land given to them by the rich. |
| Huns | Fierce group of Mongol nomads who arrived in Eastern Europe around 370 A.D. |
| Attila | Chieftan who united the Huns and led 100,000 warriors against Rome (452 A.D.). |
| Battle of Adrianople (378) | Visigoths defeated and killed the Eastern Roman Emperor Valens. |
| Odoacer | In 476 A.D. this Germanic General overthrew the last Roman Emperor Romulus Augustulus. |
| Visigoths | Germanic tribe which sacked Rome in 410 A.D. |
| Battle of Chalons | In 451 Romans and German Tribes unite to defeat the Huns. |
| Vandals | Germanic tribe that invaded Italy from North Africa and sacked Rome in 455 A.D. |
| Byzantium | Greek city which was renamed Constantinople. |
| Mercenaries | Germanic "barbarian" troops which were recruited to fill the ranks of the Roman legions. |