Concept:Devolution means the legal transfer of powers from a central government to lower-level units within a unitary state.
Explanation:In a unitary state, overall sovereignty remains with the central government.
However, the constitution may grant component regions or localities a high degree of self-government.
This arrangement is known as devolution.
It differs from delegation, which is only an administrative transfer of duties that the central government can easily withdraw.
Devolution gives defined powers and responsibilities to regional or local authorities.
It allows these component parts to govern themselves in specified matters while remaining part of the unitary state.
Therefore, the constitutional provision that provides such autonomy is devolution.
Answer:A. Devolution