Concept:The United Gold Coast Convention (U.G.C.C.) was formed in 1947 by J.B. Danquah, Paa Grant and others; Kwame Nkrumah was invited back from Britain to be its General Secretary.Solution:Nkrumah wanted 'Self-Government Now', while the U.G.C.C. leaders wanted self-government 'in the shortest possible time'.Because of these differences, Nkrumah broke away and formed the Convention People's Party (C.P.P.) on 12 June 1949.J.B. Danquah, Ako Adjei and William Ofori Atta were members of the 'Big Six' too, but they did not leave the U.G.C.C. to form the C.P.P.Answer:Option B (Kwame Nkrumah)