When an issue creates disagreement among the states, how does federalism solve the problem

The answer for above statement is:

C. Since federal powers are superior, the Constitution makes the decision.

Explanation:

The States are allowed to seek out answer and create a decision about the difficulty. There are equal powers with the Federal and States thus, the difficulty may be debated.

Since federal powers are superior, the Constitution makes the choice. The national government shall produce specific rules for every of the States.

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