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culturalism

n. A belief system that emphasizes the role of culture.

Wikipedia
Culturalism

Culturalism is a term used in anthropology (see anthropological culturalism) to denote a theory that all societies are trying to create different cultural identities philosophical, a political ideology opposing multiculturalism and also a concept studied by Polish-American philosopher and sociologist, Florian Znaniecki. This term was introduced in his book Cultural Reality (1919) in the English language and would be translated into Polish as kulturalizm; previously Znaniecki discussed this concept in Polish works as humanism (humanizm) and the term is occasionally referred to as new humanism or Znaniecki's humanism.