This title phrase signaled the beginning of the conquests and invasions of the warrior cultures. Through the artifacts from the Neolithic Period, Campbell traces the ascendance of the warrior cultures of the Gods over the agricultural based Goddesses societies. A cornerstone of modern life was the establishment of god-centered religions. Campbell traces this phenomenon from the Neolithic period, when the goddess was the primary mythic figure, to the emergence of wars of conquest and differing social roles, which heralded the dominance of god-centered religions.