Süleyman I, also known as Suleiman the Magnificent, was the ruler of the Ottoman Empire from 1520 until 1566. During this period he achieved many victories which let the Empire expand and control around 40 million people. In 1529 he invaded Vienna, option D, and started the incursion of middle eastern culture, religion, and nations into Europe.
The best and correct answer would be It was in an area of the world that emperors did not want to conquer. This is a strong country with brave emperors which the other countries do not want to deal with.
