A Federation of the existing Region, Lagos continuing as Federal Territory or becoming a Region. N.B. The Memorandum considered a redrawing of the constituent units desirable and set out the following criteria: ethnic, linguistic, and cultural affinity or homogeneity, historical association (e.g. Hausa/Fulani, Efik/Ibibio), viability of states both absolutely and relatively, geographical contiguity, comparability in size, reciprocal self-determination (i.e. not only should each minority group be given the opportunity to determine its future but also a majority group must be given the opportunity to determine whether it is willing to associate with a minority seeking such association.