Added to these beliefs was the science of the time, specifically the theories related to “survival of the fittest” and “natural selection” as postulated by British naturalist Charles Darwin; these theories would be used later as justification for Nazi removal and extermination of non-German people throughout much of Europe prior to and during World War II. | Added to these beliefs was the science of the time, specifically the theories related to “survival of the fittest” and “natural selection” as postulated by British naturalist Charles Darwin; these theories would be used later as justification for Nazi removal and extermination of non-German people throughout much of Europe prior to and during World War II. |