Which term refers to using any type of power to demean, exploit, or take advantage of someone, or influencing someone to do something they later regret?

The correct answer is abuse of power. Abuse of power is defined as a form of official misconduct or malfeasance in office by which a person shows or done an unlawful act that may affect the performance of the official duties.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.