| A | B |
| gentile | a non-Jew |
| Nero | persecuted Christinas in the 60's |
| Decius | enacted laws regarding offering sacrifices |
| Galerius | issued edict allowing Christians to practice their faith |
| Constantine | issued the Edict of Milan |
| barbarians | people who began to invade the borders of the Roman Empire |
| Attila | barbarian leader of the Huns who listened to Pope Leo |
| Pope Leo the Great | negotiated with the Huns and the Vandals |
| Pope Gregory the Great | organized efforts for sanitation and food for the hungry of Rome |
| Charlemagne | declared Sunday to be a day of rest in the empire |
| Pope Urban II | called the first Crusade |
| Muslims | followers of Islam; believers in Allah |
| presbyters | elders who eventually became what we today considers "priests" |
| widows | ministered to women and had an important place in the early church |
| Edict of Milan | prohibited persecutions of Christians |
| Council of Nicaea | the issue of the divinity of Jesus settled |
| simony | buying and selling of church positions |
| Fourth Lateran Council | established the Inquisition |
| heresy | false teaching |
| monasticism | a style of Christian life which stresses communal living, vowed life, and a life of prayer |
| Pachomius | gathered early monks into a community |
| apse | the circular or angular end of a church-usually the east end |