21. He proposed that the next step in social evolution would be a return to communism. 22. In " Woman's Evolution ", Reed asks what anthropology can tell us about social evolution . 23. They have been used widely to study social evolution , sex allocation, social parasitism, and historical biogeography. 24. Spencer believed in social evolution and group marriage, whereas Mathews'was sympathetic to ideas of cultural diffusion. 25. In social evolution societies with more complex forms. 26. Hypotheses of social evolution and Hegel, often argued that societies progressed through stages of increasing development. 27. Morgan elaborated upon his theory of social evolution . 28. This has not created a moral panic, but has been seen more as an ongoing social evolution . 29. In the social evolution from the classical, the public ceased carrying weapons into the " poleis ". 30. His primary research interests are in the area of social evolution , sex allocation theory and microbial evolution.
