Answer:
Conflict theorists rely on D. Karl Marx's work.
Explanation:
Social stratification is a system in which individuals are placed and ranked within a hierarchy. This ranking is defined socioeconomic factors such as wealth, status, occupation and gender, amongst others.
Conflict theory was suggested by Karl Marx and it explains the idea that society is divided and in constant conflict surrounding limited resources. Conflict theorists thus rely on Karl Marx's work in order to form arguments regarding the dysfunctional aspect created by social stratification.