Answer:
But the foundations of modern science were laid long before this time, and were particularly influenced by Islamic civilization. The Muslims were the leading scholars between the seventh and fifteenth centuries, and were the heirs of the scientific traditions of Greece, India and Persia.
(4) uniting the Ottoman Empire under an
efficient government structure
The reign of Suleiman the Magnificent is considered the peak of the Ottoman Empire.
Suleiman was able to organize the vast empire using bureaucratic methods. Under Suleiman laws were clarified with the use of advisers and government officials. Laws were created to provide the vast empire with consistency as well as stability after conquest.
D. because none of them explain the true meaning of what you want
Separation of powers ensures a relatively fair government because no branch is given too much power. This system is called a "checks and balances" system, in which each branch relies in part on the others.