 Forms of anarchism also differ in terms of the content of the theory, the focal point of the anarchist critique, and the imagined practical impact of anarchism. Socialist forms of anarchism include communist anarchism associated with Kropotkin and communitarian anarchism (see Clark 2013). The socialist approach focuses on the development of social and communal groups, which are supposed to thrive outside of hierarchical and centralized political structures. Individualist forms of anarchism include some forms of libertarianism or anarcho-capitalism as well as egoistically oriented antinomianism and non-conformism. The individualistic focus rejects group identity and ideas about social/communal good, while remaining firmly rooted in moral claims about the autonomy of the individual (see Casey 2012).