Final answer:
The term that referred to a leader who believed that politics was more important than religion and preferred peace and stability to religious war during the late 16th century is Pragmatist.
Step-by-step explanation:
The term that referred to a leader who believed that politics was more important than religion and preferred peace and stability to religious war during the late 16th century is Pragmatist. This term describes someone who follows a political philosophy called Realpolitik, which emphasizes practicality and realism in politics rather than pursuing empty goals or moral rectitude. One notable example of a pragmatist leader during this period was the Chancellor Otto Von Bismarck of Prussia.