Answer:
D
. These sections both explain the Tenth Amendment to the Constitution.
Explanation:
The Tenth Amendment to the Constitution explains that whenever there is conflict occurs between federal and state laws, the state law should be rejected or ignored and the Federal laws should be imposed. Both statements i. e. (States Can't Block Federal Laws) and (When A Federal Law Preempts A State Law) are the same meaning and represents the Tenth Amendment to the Constitution.