Explain the impact that the
unification of Germany had.
In a complete sentence

German unification has acted as an asymmetric contractionary shock on the European Community, not directly through a restrictive stance induced on monetary policy but through the negative transmission of uncoordinated expansionary national fiscal operations.

Explanation:

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

c or d both can be the answer