What is conpurgation?

Describe two ways a serf could attain freedom during the later middle ages? What is most of the surviving music from the early middle ages called? What was Sir Walter Raleigh? Where has coal been mined for more than 100 years? Did medieval people wash what they ate off of? When did the europeans discover Canada? What were some of the effects of the explorations of the West in the 1800? How did the reformation changed the western world? What is the study of past events centered around human affairs? Did people in the middle ages leave their village often? What empire did Charlemagne find? Who was the inventor of the skyscraper? What material did the Romans invent that helped their structures last? Which crusade was least successful? What did the Mongols look like? Most famous invaders of Europe during the early middle ages? Who was a rival of Caesar Augustus who was defeated during the roman civil war? Which European empires were expanding in the fifteen century? Who is responsible for the Cold War? Describe three conflicting views on slavery in the west?