As a literary theory, postcolonialism deals with literature produced in formerly colonized countries and literature from colonial powers that features colonized subjects. It emerged in the 1970s with Edward Said's work on orientalism and how the West constructs discourse about the East. Major postcolonial thinkers examined the experiences of colonized people and their interactions with European imperial powers. Postcolonial theory provides tools to analyze hybridity, alterity, diaspora, imperialism, and Eurocentrism in former colonies. Examples of