Respuesta :
Answer:
unitary system. a system of political organization in which most or all of the governing power resides in a centralized government, in contrast to a federal state.
Explanation:
C) The states have the power to decide which powers to give to the central government
Don't know who will need this, but a Unitary system means that the power rests in the national (central) government. This means the answer would be A, Regional Governments carry out decisions made by the central government.