B. Attacked and successfully took control of Constantinople
Explanation:
One of the great milestones of the reign of Mehmed II was the conquest of the constantinople that he realized shortly after the end of the Byzantine empire. He promoted strong religious tolerance within the constatinople and refused the title of Caesar of Rome and allowing Christianity to be worshiped among the faithful. These actions made him recognized as a good military and political leader who promoted wealth and peace for his kingdom. He was also a great lover of literature and the arts and encouraged this to be stimulated throughout the territory.
