| A | B |
| Rats | Animal that carried infected fleas |
| China | Country where Bubonic Plague originated in Middle Ages |
| Europe, Asia and Africa | Continents affected by Bubonic Plague |
| Black Death | COMMON name for disease that killed millions |
| Bubonic Plague | MEDICAL name for disease that killed millions |
| Little Ice Age | Cold, wet weather that led to famine in Late Middle Ages |
| Trade between Asia, Africa & Europe | ECONOMIC change durng HIgh & Late Middle Ages |
| Feudalism fades and people move to cities | SOCIAL change during High and Late Middle Ages |
| Hundred Years War | War between England and France |