According to the doctrine of preemption, which statements is true?

The doctrine of preemption is based on the supremacy clause. The doctrine essentially states that if a federal law preempts state law, then the state law is declared invalid. Therefore, a federal court may require a state to refrain from enforcing the law if the behavior conflict with federal law.

Explanation:

the fifth and fourteenth amendments to the united states constitution each contain a due process clause. due process deals with the administration of justice and thus the due process clause acts as a safeguard from arbitrary denial of life, liberty, or property by the government outside the sanction of law.

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