The Origin of the Family, Private Property and the State (1884), was a provocative and profoundly influential critique of the Victorian nuclear family.
Only Communism would herald the dawn of communal living and a new sexual freedom and, in turn, the role of the State would become supe.
Under this patriarchal system, women were servants and, effectively, prostitutes.
Engels argued that the traditional monogamous household was in fact a recent construct, closely bound up with capitalist societies.
The Origin of the Family, Private Property and the State (1884), was a provocative and profoundly influential critique of the Victorian nuclear family