Although men and women lead primarily the same lives today, there are concealed gender roles in place from years past. In the past, males and females have not been given the same rights and responsibilities and it is not due to only one factor. Men and women differ due to the evolution of gender differences, genetic, and social differences.
Primitive humans initially assigned roles to men and women due to their physical and psychological capabilities, gender stereotypes today descended from these primitive people.
"All the universal characteristics of men's and women's roles derive from this (women caring for children and men hunting) primitive division of labor. The social structure which evolved from this division of labor then socialized men and women so that their personalities and inclinations fit consistently with the structure." (Clark, 1980, ch17.)
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