The Lyttleton Constitution of 1954 is regarded as a landmark in Nigerian constitutional development primarily because it

The Lyttleton Constitution of 1954 is considered a landmark because it firmly established federalism as the basis of Nigeria's political structure, clearly defining the powers of the federal and regional governments. It divided Nigeria into three regions — North, East, and West — each with its own government and legislature. This federal framework largely shaped the constitutional basis for Nigeria's independence.