Why is this poem A far cry from Africa an example of Post Colonial Literature?

"A Far Cry from Africa" by Derek Walcott exemplifies post-colonial literature through its exploration of identity, cultural conflict, and the impact of colonialism. The poem reflects the speaker's struggle with a divided heritage, highlighting the complexities of belonging to both the colonizer and the colonized. Walcott's use of imagery and metaphor underscores the violent legacy of colonialism while also seeking to reclaim a sense of identity and belonging. This tension between personal and collective history is central to post-colonial discourse.