Answer:
The Necessary and Proper Clause, also known as the Elastic Clause, is a clause in Article I, Section 8 of the United States Constitution: The Congress shall have Power. The Supremacy Clause of the Constitution of the United States, sets up that the Constitution, government laws made in accordance with it, and arrangements made under its power, establish the "incomparable Law of the Land", and in this manner take need over any clashing state laws.
the answer to this question is <u>A</u>.
The passage of the GI Bill changed American cities and towns in that it gave returning veterans more economic opportunities, which allowed them to leave the cities.
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European appeasement of German aggression in an effort to avoid conflict is the answer