Who was sigmund freud? he founded the first experimental laboratory in 1879. he discovered the classically conditioned salivary reflex. he was the american psychologist who founded behaviorism. he was an austrian neurologist who first introduced the idea of unconscious motives

Option: He was an Austrian neurologist who first introduced the idea of unconscious motives

Explanation:

Sigmund Freud is known for his psychoanalysis. A method or treatment, where a doctor or analyst uncover the dreams and fantasies of the patient in an unconscious mental condition. This treatment used for trauma patients. This treatment allows the patients to recall the experience of the past and bring it to consciousness which would help the patients in emotionally.

b.   jim crow laws were enacted in northern states.