It is quite certain that "the language of literature uncovers the cultural dominance." Such a fact appears in contemporary literature, especially African American literature and other hyphenated literatures. Further, this can be best explored through adopting the views of Michel Foucault, Louis Althusser, Jürgen Habermas, Norman Fairclough , to mention a few.
It does uncover the cultural dominance. Language is the carrier of culture and influence the processes and manifestations of social formation. Especially, in the 19th century literature.