Which movement promoted the concept of "survival of the fittest" as an explanation and defense for the behavior of robber barons? Social Darwinism
the Progressive Movement
the Settlement Movement
the Social Gospel Movement

it's social darwinism

Explanation:

Social Darwinists held that the life of humans in society was a struggle for existence ruled by “survival of the fittest,” a phrase proposed by the British philosopher and scientist Herbert Spencer.

the answer is a. since they were a huge producer of cotton and wanted the most money for it.

when in doubt choose c

it's what my teacher told my class when we were going into psats