The answer is a delusion.
Robert is exhibiting delusion due to his depressive disorder. A delusion is a kind or characteristically a symptom of mental disorder which made a person having a distinctive belief or impression that is positively maintained despite being opposed by what is generally accepted as reality or logical argument just like what Robert portrays.
If a can remember it was answer D
Um do u have answer choices to this cause I understand I just don't know what your looking for
Answer:
A. regulation of the railroad industry
It’s A it reduces the barriers between countries importing and exporting goods