Regionalism notable with ... may be said to have laid the foundational basis for the latter state creation in Nigeria

A.

Authur Richard

B.

John Macpherson

C.

Oliver Lyttleton

D.

Hugh Clifford

Correct answer is A

Authur Richard is the correct answer. The 1946 Richard Constitution established three regional councils, one each in the North, East and West. This historically forms one of the basic foundational existence upon the Nigerian Federal structure relied subsequently in terms of states creation during the military era.