In the 18^th and 19^th Centuries, the Natural Sciences Were

In the 18^th and 19^th centuries, the natural sciences were committed to positivism, which maintains that the natural world is governed by objective laws that can also be applied to the social world. How did positivism influence the way that race was discussed and understood?

A) Race was now seen as a biological certainty
B) Race was now studied or classified in terms of obvious observable features such as skin colour
C) Race was best understood based on biblical interpretations from the high priests in the Catholic church
D) Race was something that did not really matter to society at the time because Europe was not yet enlightened
E) Race became something that was measured by statistical percentages, such as the percentage of 'white blood' a person had