The correct answer is D.
The therapist's suggestion most clearly reflects a psychoanalytic perspective.
The psychoanalytic perspective or psychoanalysis, created by Sigmund Freud, believes that conflicts and emotional turmoil within us stems from our unconscious mind and repressed emotions and experiences that happened to us in our childhood. The purpose of psychoanalytic therapy is to make the unconscious conscious in order to understand why we are the way we are and then work through those repressed emotions.
By adding taxes on the goods being carried by traders. Kingdoms would often thrive on taxes. Taxes would often come in form of goods or weapons. In most cases, food always used to pay for the services. This is because of the growing agricultural sector of many civilizations