The Expressed Purpose of the Eugenics Movement Was to Improve

The expressed purpose of the eugenics movement was to improve a population's genetic stock

A) by way of delivering increased educational training for those with high IQs.
B) by implementing sterilization plans for those of low IQ to prevent them from breeding.
C) by way of delivering increased educational training for those with low IQs.
D) by way of providing those with low IQ increased access to higher education.