Escape trouble at home
Stimulated trade
Weakened power of Monarchs
Conquering of Jerusalem
Sacking of Constantinople
Free the Holy Land
Increase demand for new products
Search for Wealth and Land
Reconquering of Jerusalem by Saladin
Bitterness still between Jews, Muslims, Christians
Search for Adventufe
Founding of Crusader States
Pope Urban's Speech
Declining of the Byzantine Empire
Use of banking and credit
