Answer:B.Sigmund Freud's interest in unconscious conflicts.
Explanation: Sigmund Freud is the founder of Psychoanalysis,he is an Austrian who has several years of research and experience in psychopathy.
He was born in the year 1856, Sigmund Freud may has been described by many as the most influential intellectual legislator of his age.
Sigmund Freud interest in unconscious conflicts led him to the belief that the best way to understand conflict is to see it as an unwitting compromise formation between the wish and the defense.