sentences:  This is a much more dynamic process of mediation than previous versions, but one heavily dependent on a more in-depth theorization of Gramsci's notion of hegemony.Cultural theorist Stuart Hall, Ernesto Laclau and Chantal Mouffe have further theorized the complexities of mediation through their development of articulation theory, to describe the ways that certain notions become dominant in a culture, given the relative openness of the social in heavily industrialized nations such as the U.S.This openness results in a “non-necessary belongingness” for the various elements of a given social formation, or an indeterminacy to the way that history, culture, economics or the material world, and social actors come together to form dominant notions.