Answer :
The presumption of a self-supporting, independent unit composed of two legally married heterosexual partners performing separate masculine and feminine family roles is best characterized as Heteronormativity .
Social stratification is the division of a society's population into groups based on socioeconomic factors such as wealth, income, race, education, ethnicity, gender, occupation, social status, or derived power (social and political). As such, stratification refers to a person's relative social position within a social group, category, geographical region.
In modern Western societies, social stratification is typically defined in terms of three social classes: the upper, middle, and lower classes; each class can be further subdivided into the upper, middle, and lower strata.
People are classified by social stratum most clearly in complex state-based, polycentric, or feudal societies, the latter of which is based on socioeconomic relations between classes of nobility and classes of peasants.
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