C) a decline in advertising.
Answer:
On September 17, 1787, the delegates approved and signed an entirely new Constitution for the United States of America. Once approved by the people, the Constitution's federal system would create a unique solution to sharing power among the states and the national government.
Explanation:
supremacy clause in the united states constitution states that all laws made furthering the constitution and all treaties made under the authority if the united states are "supreme law of the land"
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