If completed and correct i will give a and a brainliest as well a five star rating: only if right
which answer best completes the following sentence? two advantages of a confederation are that it and

a: prevents abuse of power by a national government; preserves local identity

b: concentrates power in state governments; makes national government too weak to meet local needs

c: prevents abuse of power by state governments; preserves national identity

d: concentrates power in national government; makes national government strong enough to meet local needs