Which statement describes a major advantage of a federal system government over a unitary system

Central unitary government possess all powers which means all the powers are centralized whereas central federal government delegates some powers to the local governments of states. The powers are decentralized.

Explanation:

In the unitary from of government, the powers are concentrated or vested with the single authority and the ultimate decision making authority is also exercised by the unitary government. In federal government, the powers are decentralized, many local governing bodies share the powers and determines the outcome of any issue whether it pertains to external or internal affairs.

The powers are equally distributed in the federal government but the ultimate say is with the federal government. This delegation of powers is to bring responsiveness in each segment of the government.