Answer :
Mehmet II was the victorious leader during the fall of
Constantinople. He was the Sultan of the Ottomans. Constantinople was the
capital of the Eastern Roman Empire. After the winning of the war
Constantinople it was renamed as Istanbul by Mehmet II. After the conquering of
Constantinople there was nothing to stand between Mehmet II and Europe. Christianity
was dealt a big blow. After Constantinople was captured, many Greek nobles had no
other option but to flee and take refuge in countries like Italy.