Answer:
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Explanation tell me if I'm right plz mark me brainlest.;)
The correct answer is letter D
Explanation: Sigmund Freud has created the Psychoanalysis, that is a theory of personality and system of therapy for treating mental disorders.
In Psychoanalysis the patient can talks in a free way about how they feel and their thoughts, is called free association.
Psychoanalysis was very expensive, and only rich people could do the therapy.
Pull factors can be better climate, food, resources, jobs