 Complete the following phrase:  Nevertheless, he was soon restored to his position, as he was present in Murads 1446 campaign against the Morea. Murad was reportedly disheartened by the strength of the Hexamilion, but Turahan insisted on an assault. Aided by an artillery bombardment, the Ottomans again breached the Byzantine defences and ravaged the Peloponnese at will. As a result, the Despotate of the Morea was now officially reduced to an Ottoman vassal state. In early October 1452, Turahan and his sons Ahmed and Ömer led a large force into the Peloponnese. Sultan Mehmed II ordered them to remain there during the winter in order to prevent despots Thomas and Demetrios from assisting their brother, Emperor Constantine XI, during the 