Answer:
D. These sections both explain the Tenth Amendment to the Constitution.
Step-by-step explanation:
The Tenth Amendment to the Constitution describes the situation where by whenever there is a conflict occurrence between federal and state laws, the Federal law should be imposed or upheld, while the the state law should be rejected or ignored.
Therefore, both statements "States Can't Block Federal Laws" and "When A Federal Law Preempts A State Law" are similar, because these sections both explain and referred to the Tenth Amendment to the Constitution.