| A | B |
| Rome | capital of Italy |
| Constantine | Roman emperor that accepted Christainity |
| Helena | Constantine's mother that helped him build churches in Rome and Jerusalem |
| Theodosius | constantine's successor; emperor that made Christainity Rome's official religion |
| Persecute | to mistreat a person because of their beliefs |
| martyr | aperson that is willing to die for his/her country |
| clergy | religious officials given authority to conduct religious services |
| laity | church members who are not clergy |
| doctrine | official church teaching |
| gospel | "good news" one of the four accounts of Jesus' life, teachings, and ressurrection |