I think the answer would be D: deposition
The missing word is Compensation.
Alfred Adler was known to be a medical doctor, a psychotherapist and is also a founder of the of the school of individual psychology.
According to Adler, individual psychology has got to do with this case wherein Ethan develops strength in other areas such as the compensation. In Adler's theory and principle, psychology owns compensation and overcompensation.
I believe the answer is external stakeholders
The therapist is likely making use of age regression. This
is involved with therapy in which the therapist is likely to access the childhood
memory of an individual and that they are likely to be accessed increasingly. This
includes the feelings and the thoughts of the individual undergoing with the
therapy.
He said he would send federal troops to any state that tried to "nullify" any federal laws