There is no certain date of the beginning of the post-colonial theory, but this theory generally could be based on Frantz Fanon’s “Black Skin, White Masks” (1952) and “The Wretched of the Earth” (1961) books that were basic works on colonization and psychological effects of colonialism. He focused not only its effects on physical violence but also on its mental effects on indigenous people. Those have built awareness among other nations that made anti-colonialist movements in Africa and Asia. The correct answer is B.