| A | B |
| 95 theses | document written by Martin Luther detailing what he believed to be the problems in the medieval Church |
| African Trading Kingdoms | Ghana, Mali, and Songhai that were important in the trans-Sahara trade of gold from the west coast of Africa to North Africa and the Middle East |
| Age of Exploration | Time period during the 15th and 16th centuries when Europeans searched for new sources of wealth and for easier trade routes to China and India |
| Alexander the Great | He conquered most of the ancient world from Asia Minor to Eqypt and India |
| Arable | Land that is able to support the growing of crops |
| Augustus | First emperor of Rome (27 BCE - 14 CE) he restored order and prosperity to Empire after nearly a century of turmoil. Grandnephew to Julius Caesar |
| Aztecs | A Mesoamerican civilization of Mexico who created a strong empire that flourished between the 14th and 15th cnetury. |
| Byzantine Empire | The eastern half og the Roman Empire, which survived after the fall of the Western Empire at the end of the 5th century C.E. its capital was Constantinople |
| Julius Caesar | Roman general and statesman. He is responsible for setting up the imperial system in Rome which placed his grandnepher, Augustus, on the throne |