Madame Koto's bar.
An author from this country addressed "O ye who travel the meridian line" in his poem "The Awakening Age" and used an image from a William Blake poem to title his epic "Mental Fight". In a novel by another author from this country, the protagonist's brother Jaja takes the blame for their mother Beatrice's poisoning of their abusive father Eugene. In a novel by an author from this country, the Party of the Rich and Party of the Poor compete and the protagonist hangs out in (*) Madame Koto's bar. The authors of Purple Hibiscus and The Famished Road are from this country, as is the author of a novel whose protagonist beats his wife during the Week of Peace and helps kill Ikemefuna despite a warning from the Oracle of Umuofia. For 10 points, name this home country of Chimamanda Ngozi Adichie, Ben Okri, and Things Fall Apart author Chinua Achebe.
An author from this country addressed "O ye who travel the meridian line" in his poem "The Awakening Age" and used an image from a William Blake poem to title his epic "Mental Fight".
Nigeria [or the Federal Republic of Nigeria]