Kammala wannan jumlar: Bayan juyin mulkin soja na
Janairu 1966, Clark yana cikin rukunin wakilai daga Mid-West waɗanda suka yi adawa da duk wani ra'ayi na tarayya da aka gabatar a wani taron kundin tsarin mulki wanda Gowon ya kafa a shekarar 1966. Umurnin tawagar shi ne hadin kan Najeriya kuma lokacin da aka gabatar da shawarwarin kafa tarayyar da ba ta dace ba wakilan yankuna sun nemi a dage. Daga baya aka nada shi kwamishinan Ilimi na Midwestern kuma daga baya na Kudi. A matsayinsa na kwamishinan ilimi, ya kasance mai himma wajen kafa Kwalejin Fasaha ta Tsakiyar Yamma wacce ta zama tushen Jami'ar Benin.