The N.C.N.C sent a delegation to London in 1947 to protest against the

Sir Arthur Richard introduced the Richard's constitution of 1946. The main essence of Richard's constitution was to promote unity in Nigeria and to ensure greater participation of Nigerians in the discussion of their own affairs. The Constitution came into operation on 1 January 1947.

After the operation of Richard Constitution, MacPherson Constitution was introduced in 1951. The Macpherson Constitution established a central legislative council and a central executive council for the country.

In 1947 when an NCNC delegation led by Azikiwe visited London to protest the Richards Constitution of 1945, the two men, Prince Adeleke and Dr Abu Bakar, were members of the delegation.