It’s d. because i researched the question on a .org website
The answer is D. Niccoló Machiavelli
The United Monarchy (Hebrew: הממלכה המאוחדת) is the name given to the Israelite kingdom of Israel and Judah, during the reigns of Saul, David and Solomon, as depicted in the Hebrew Bible. This is traditionally dated between 1050 BCE and 930 BCE.