Why did Pope Urban II call the First Crusade?
What motivated peasants to go on the First Crusade?
What motivated Knights to go on the First crusade?
Why did the Peasants'/People's Crusade fail?
Why did the Knights' crusade (First Crusade) succeed?
Why did Edessa fall in 1144?
Why did Pope Eugenius III call the Second Crusade? Quantum praedecessores
What motivated participants to go on the Second crusade?
Why did Bernard of Clairvaux preach the Second Crusade (at Vezelay in 1146)?
Why did the Second Crusade fail?
Why did Pope Gregory VIII call the Third Crusade? (audita tremendi)
Why did Richard the Lionheart go on the Third Crusade?
Why did the Third Crusade Fail?
Why did Pope Innocent III call the Fourth Crusade? (Post miserable)
Why did participants go on the Fourth Crusade?
Why did the Fourth Crusade fail?
How did Saladin rise to power and become King of Jerusalem?
Why did Outremer need the Military Orders?
Why did the crusader states collapse?
Byzantium and the West (tensions)