Post-colonialism is the study of the effects of colonial subjugation by Western powers on Third and Fourth World nations that emerged in the 1970s. It examines various forms of injustice, domination of culture and gender, and the experiences of subaltern groups. In literature, post-colonialism analyzes the interaction and reaction between colonial societies and the impact of colonialism on literary works. The document then defines and discusses several key post-colonial concepts like mimicry, hybridity, orientalism, and universalism and how they are applied in literary analysis and critique works from a post-colonial perspective.