In 1936, the Supreme Court of the United States declared the…

In 1936, the Supreme Court of the United States declared the Agriculture Adjustment Act of 1933 unconstitutional. Justice Owen Roberts provided the following explanation for the Court’s decision. We are not now required to ascertain the scope of the phrase “general welfare of the United States” or to determine whether an appropriation in aid of agriculture falls within it. Wholly apart from that question, another principle embedded in our Constitution prohibits the enforcement of the Agricultural Adjustment Act. . . . It is a statutory plan to regulate and control agricultural production, a matter beyond the powers delegated to the federal government. —United States v. Butler, 1936 Which constitutional amendment did the Supreme Court use as a basis of this ruling?