Ottoman sultan mehmed ii to strengthen the empire by changing constantinople to istanbul. promoting religous diversity. taxing non-muslims less than muslims. janissaries get government jobs.

Ottoman sultan Mehmet II helped to strengthen the empire by promoting religious diversity. He let religious minorities such as Christians and Jews practice their religion freely. Mehmet II was a great conqueror and expanded the Ottoman Empire and is still very much revered today. He equally ended the rule of the Byzantine Empire.

SO THE ANSWER IS B.

I believe cyrusmccormick and john devere