It protected the sultan's power by providing him with a group of extremely loyal officials and soldiers is why the Devshirme system was so important to the Ottoman Empire. The correct option among all the options that are given in the question is the fourth option or option "D". I hope the answer comes to your help.
The study of historical writing
Well, freedom was a pretty important aspect of the enlightenment. It was in fact during this enlightenment era that American fought for and gain its independence. The declaration of Independence was very much influenced by Enlightenment philosopher, John Locke's ideas on human independence.
You can look up how John Locke influenced the US Declaration of Independence
