Answer:
The answer is psychodynamics.
Explanation:
Psychodynamics is an approach to psychology which is mostly concerned with unconscious motivation for behaviour. According to this theory, several parts of the human mind, such as personality, interact directly with emotions.
One of its founders was Sigmund Freud, who believed the brain was in a constant "flow of energy", and compared the forces of the mind to those of thermodynamics (hence the name).
old fashion prejudice was different from today because back then every thing was one way and they did not like change. And these days prejudice is caused because people think that other people are not "cool" enough to hang out with them. So in the olden days it was because of race, these days its because people are rude and need Jesus.
I would have to go with The answer is A.