Which statement shows how darwin’s theory of evolution was used by social darwinists to explain the differences between the classes?

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be the one having to do with the idea that they "hijacked" the theory of natural selection to imply that if certain people were not "fit", their needs did not need to be taken into consideration because this was the "way nature worked". 

The inuted states of america