With what basic assumption of Social Darwinism would Africans most likely disagree?

Social Darwinism is a theory of the time that reflected racism through the belief about survival of the fittest as applied to human society. This upset most of the Africans because they felt that just because they were not as progressive in the fields of science and technology that didn't mean that they were a lower scale of humans as far as cultural and physical development. They also disliked this because they felt it was a justification that the Europeans gave for why they were superior