This question is based on selected poems from R. Johnson and D. Ker, et al (ed.): New poetry from Africa; Wole Soyinka (ed.): poems Black Africa; K.E. senanu and T. Vincent (eds.): A Selection of African poetry; M. Umukoro and A Sani, et al (eds.): Exam Focus: Literature - in - English; A.E. Eruvbetine and M. Jibril, et al (eds.): Longman Examination Guides: poetry: E.W. Parker (ed.): A Pageant of Longer poems and D.I. Nwoga (ed.): West African Verse.
The rhyming pattern in the last stanza of Okigbo' s Hurrah for Thunder' makes the stanza