Sociocultural evolution justify new policies such as eugenics. Most 19th-century and some 20th-century approaches aimed to provide models for the evolution of humankind as a single entity. However, most 20th-century approaches, such as multilineal evolution, focused on changes specific to individual societies. Moreover, they rejected directional change (i.e. orthogenetic, teleological or progressive change). Most archaeologists work within the framework of multilineal evolution. Other contemporary approaches to social change include neoevolutionism, sociobiology, dual inheritance theory, modernisation theory and postindustrial theory. In his seminal 1976 book "The Selfish Gene", Richard Dawkins wrote that "there are some examples of cultural evolution in birds and monkeys,
The Evolution of God The Evolution of God The Evolution of God is a 2009 book by Robert Wright, in which the author explores the history of the concept of God in the three Abrahamic religions through a variety of means, including archeology, history, theology, and evolutionary psychology. The patterns which link Judaism, Christianity, and Islam and the ways in which they have changed their concepts over time are explored as one of the central themes. One of the conclusions of the book that Wright tries to make is a reconciliation between science and religion. He also speculates on the future of the concept