What is the epistemology?

Epistemology is the branch of philosophy concerned with knowledge. Epistemologists study the nature of knowledge, epistemic justification, the rationality of belief, and various related issues. Epistemology is considered one of the four main branches of philosophy, along with ethics, logic, and metaphysics. AS STATED FROM WIKI

Explanation:

fertile good for trade etc

answer; having the power of reprieve means being able to release people from punishment;