JAMB - Literature In English (1989 - No. 10)

From the novel; Selected Poems from: New Poetry from Africa; Poems of Black Africa; A Selection of African Poetry; Exam Focus: Literature-in-English; Longman Examination Guides; West African Verse

This question is based on selected poems from Wole Soyinka (ed.) Poems of Black Africa and D.I Nwoga (ed) West African Verse.
In Agostinho Neto's 'Night', night basically symbolises

Political oppression