Herbert Spencer and the eugenics advocate Francis Galton's interpretation of natural selection as necessarily progressive, leading to supposed advances in intelligence and civilisation, became a justification for colonialism, eugenics, and social Darwinism.
Herbert Spencer d eugenics azzuken i afaham n Francis Galton wan nefran n batil as eqqal a amitakwayan , ewayan s ikitan s data daɣ ta-ite d sivilizasyon, eqqal iddilil i alisteɣmar , eugenics d Social Darwinism