They stop buying the taxes
Emil Kraepelin, a German Psychiatrist, may be considered as the grandfather of Diagnostic and Statistical Manual for Mental Disorders (DSM). Before the DSM was published, he had already an attempt of classifying mental illnesses by grouping its similar symptoms. He had developed a system to make distinctions of different disorders. He believed that biology and genetics have a key role in mental illnesses. This concept became the basis of the DSM-III, which is quite different from earlier versions that are pyschodynamically oriented.
No, he was not hypocritical because he didn't allow slavery. With or without it, it wouldn't have had a big impact on his life so he didn't do it because it helped himself. He did because he had the kindness of heart.
Heritability is the proportion of this total variation between individuals in a given population due to genetic variation
