 Some critics contend that theories of multiculturalism are premised on an essentialist view of culture. Cultures are not distinct, self-contained wholes; they have long interacted and influenced one another through war, imperialism, trade, and migration. People in many parts of the world live within cultures that are already cosmopolitan, characterized by cultural hybridity. As Jeremy Waldron argues, “We live in a world formed by technology and trade; by economic, religious, and political imperialism and their offspring; by mass migration and the dispersion of cultural influences. In this context, to immerse oneself in the traditional practices of, say, an aboriginal culture might be a fascinating anthropological experiment, but it involves an artificial dislocation from what actually is going on in the world” (1995, 100). To aim at preserving or protecting a culture runs the risk of privileging one allegedly pure version of that culture, thereby crippling its ability to adapt to changes in circumstances (Waldron 1995, 110; see also Appiah 2005, Benhabib 2002, Scheffler 2007). Waldron also rejects the premise that the options available to an individual must come from a particular culture; meaningful options may come from a variety of cultural sources. What people need are cultural materials, not access to a particular cultural structure. For example, the Bible, Roman mythology, and the Grimms’ fairy tales have all influenced American culture, but these cultural sources cannot be seen as part of a single cultural structure that multiculturalists like Kymlicka aim to protect.