Why Was Emil Kraeplin's Lasting Contribution to Modern Psychiatry in the Area

Multiple Choice

Why was Emil Kraeplin's lasting contribution to modern psychiatry in the area of diagnosis and classification of psychological disorders, rather than that of treatment?

A) because of his discomfort with actually working with patients
B) because of his conviction that better diagnosis was necessary for more effective treatment
C) because of his belief that these disorders were due to brain pathology
D) because of his belief in the influence of the social environment in mental illness