noun
social Darwinism
Refers to the application of Darwinian ideas of natural selection to human society, often in political or economic contexts.
社会ダーウィニズムは19世紀後半に流行した思想だ。
Social Darwinism was a popular ideology in the late 19th century.
From English 'social Darwinism', combining 社会 (society) and ダーウィニズム (Darwinism).