The theoretical approach that highlights the link between culture and social inequality is the

social-conflict approach                                                              

Explanation:

Social-conflict approach: In sociology, the term "social-conflict approach" was proposed by Karl Marx, and is referred to as a phenomenon which is responsible for developing various theories that argue about a particular society as an area that comprises inequality and represents conflict as well as change.

Sociologists tend to examine "social conflict approach" to describe the conflicts between specific disadvantaged and dominant groups.

The social conflict theory is being applied to describe conflict associated with different social classes, for example, communism and socialism.

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