Respuesta :
A.Federalism enables the national government and states to share powers.
Different powers are given to both governments- such as the national governments can declare war and state governments can issue driver licences.
Federalism is a mode of government. In this mode, it is combined the a general or national government which detains the central power (the federal government) and the regional governments of cities, provinces, states and so on.
Considering that, the correct answer must be:
A. Federalism enables the states and the national government to share power.