Decolonization during the 20^th century → immigration 

                                            → postcolonial literature

after World War II→migration from New Commonwealth countries to Great Britain

immigrants face racism→ otherness( the others next door) → the society slowly comes multicultural

symbol of multiethnical society → metropolis → melting pot of languages and identities

british identity becames more complex due the migrations

postcolonial literature:

period after british colonisation → Critic of colonialism → the post-colonial writer searches his identity, culture and belief