| A | B |
| Benedict | reformed laws for monks |
| vernacular | common language |
| perspective | adds depth to paintings |
| anti-semitism | prejudice against Jews |
| theocracy | government run by the church |
| Estates-General | French Legislature |
| Inquistion | Spanish courts |
| Domesday Book | census ordered by William |
| priests | worked with the people |
| Crusaders | took part in wars for Holy Land |
| Magna Carta | gave people rights |
| heresy | beliefs that go against the church |
| fief | land granted to a vassal |
| Latin | language of scholars |
| Portugal | first to sponsor voyages |
| Newton | gravity |
| Copernicus | heliocentric theory |
| Vikings | raided coastal settlements |
| guild | labor union |
| feudalism | Europe's political system after Charlemagne |
| chivalry | knight's code |
| King John | 1215 signed Magna Carta |
| Reconquista | retaking land from Muslims |
| The Canterbury Tales | influenced modern English |
| Erasmus | Dutch humanist, converted Bible to vernacular |
| Gutenberg | revolutionized printing press |