This question is based on selected poems from D. Ker, C. Maduka et al (eds.): New Poetry from Africa, Wole Soyinka (ed.): Poems of Black Africa, K.E. Senanu and T. Vincent (eds.): A Selection of African poetry and E.W. Parker (ed.) A Pageant of Longer Poems.
'The is my son, mine own Telemachus To whom I leave the scepter and the isle.'
In the lines above from Tennyson's Ulysses', scepter' and 'isle' are a poetic device called