| A | B |
| Simony | the selling of a position in the church |
| Gothic | style of church with ribbed vaults and flying buttresses |
| Crusade | a holy war |
| Reconquista | an effort to drive Muslims out of Spain |
| Inquisition | prosecting charges of heresy |
| Three-field system | farmland is divided into equal size |
| Guild | an association of people working the same job that controlled prices and wages |
| Commercial Revolution | expansion of trade and business |
| Burgher | merchant-class town dweller |
| Vernacular | common everyday language |
| Scholastics | scholars who taught universities |
| Common Law | rulings of English’s royal judges serve as a basis for law |
| Magna Carta | guarteening basic political rights |
| Parliament | a body of representatives that make the laws in England |
| Estates-General | an assembly of representative from all 3 social classes in France |
| Great Schism | a division in the Catholic Church |
| Bubonic Plague | a deadly disease that killed millions of people |
| Hundred years war | a conflict between France and England fought on French soil |