The book begins with the discussion of ancient society describing the main stages of human development as commonly understood in Engels' time. Three forms of marriage have appeared in human history: wild (group marriage), barbaric (couple marriage) and civilized (monogamous with prostitution and adultery). Engels argues that in agricultural societies there was a sexual division of labor, with women usually in charge of harvesting and growing crops. At that time women had a high status in society because the work they did was related to human survival. There was no systematic inequality between men and women. Nowadays, society is in transition from savage and barbaric to civilized. The only legal family form in most of the country is civility. Males begin to control the sphere of production and private property. Therefore, inequalities occurred in society. As the demand for surplus increased, so did the demand for labor. However, while women's duty was seen as grooming and caring for children, the division of labor did not change between women and men. Engels in his book states that “the situation is no better regarding the legal equality of men and women in