Review the map.

A map titled The Crusades, 1096 to 1204. The First Crusade went from Paris through Rome, Constantinople, Antioch, Damascus, and Jerusalem. The Second Crusade went from Paris through Constantinople, Antioch, Damascus, and Acre. The Third Crusade went from London to the coast of France; Paris to the coast of France; along the coast of Italy to Acre and Jerusalem; inland from the center of the Holy Roman Empire to Constantinople and through Turkey. The Fourth Crusade went from Italy, south along the coastline of the Adriatic Sea to Constantinople.

What did all of the Crusades have in common?

They all traveled to Jerusalem.
They all began in European states.
They all started from multiple places.
They all involved fighting in London.