[Solved] The GATT principle that called for mutual lowering of trade barriers between trading partners was known as __________ . A) reciprocity B) convertibility C) nondiscrimination D) outsourcing E) transparency Ego: In Freudian psychology, the part of the psyche that mediates between the demands of the id, superego, and reality. Superego: In psychoanalytic theory, the part of the personality that acts as a moral center, enforcing societal norms and values. Inferiority Complex: A psychological condition where a person feels a deep sense of inadequacy and lack of self-worth compared to others, often leading to overcompensation or withdrawal. Pornographic Video: Visual material intended to stimulate erotic rather than aesthetic feelings, featuring explicit sexual content.