 Complete the following phrase:  Crusader attacks provoked further responses by Saladin. Raynald of Châtillon, in particular, harassed Muslim trading and pilgrimage routes with a fleet on the Red Sea, a water route that Saladin needed to keep open. In response, Saladin built a fleet of 30 galleys to attack Beirut in 1182. Raynald threatened to attack the holy cities of Mecca and Medina. In retaliation, Saladin twice 