Answer :
These cases represent a manifestation of eugenics. Historically, eugenics encouraged the procreation superior stock while dissuading the procreation of anyone who deviated from the social norm.
Eugenics is the exercise or advocacy of preferentially interbreeding individuals with specific favorable hereditary traits in order to improve the humankind. It seeks to alleviate human suffering by "breeding out" disease, disabilities, and other deemed undesirable traits from the world population. Early proponents of eugenics thought that mental illness, criminal tendencies, and even poverty were inherited traits that could be bred out of the gene pool.
Historically, eugenics encouraged the procreation of the so healthy, superior stock while dissuading the procreation of the mentally impaired or anyone who deviated from the social norm.
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