The mention of the general Welfare in the Preamble was intended to serve as a limit in effect on the use of those delegated powers.
The only other mention of general Welfare is found in Article I, Sec. 8. There, too, the words were meant to serve as a limit in effect. A limit of the power granted under that clause. It does not empower the congress to spend tax money for any and all purpose arbitrarily on a pretense or even a belief that it is for the general welfare, and certainly not to Individuals and localities.
Congress possesses no ''general legislative authority.'' See Federalist #83, by Hamilton of all people, for clarification.
All who ratified the Constitution were in agreement on the limited and limiting meaning of ''general welfare'' in the Taxing Clause.
As Secretary of the Treasury, Hamilton contended for the first time in 1791 ("
Opinion as to the Constitutionality of the Bank of the United States") in favor of a broader interpretation of this clause than he had formerly espoused and broader than that which Madison, with Hamilton's agreement, had presented in 1788 in The Federalist (especially number 41) as reflecting the controlling intent of the Framing Convention, which Madison and Jefferson consistently supported. Hamilton did not claim, however, that this clause gives to the Federal government any power, through taxing-spending, so as in effect to control directly or indirectly anything or anybody, or any activities of the people or of the State governments. Despite his assertion that this clause gives Congress a separate and substantive spending power, Hamilton cautioned expressly (
Report on "Manufactures," 1791) that it only authorizes taxing and spending within the limits of what would serve the "general welfare" and does not imply a power to do whatever else should appear to Congress conducive to the "general welfare" that it does "not carry a power to do any other thing not authorized in the Constitution, either expressly or by fair implication."
See also the Supreme Court's 1936 decision ascertaining and defining the original, controlling intent. That would be the 1936 Carter case.
"Congress, entirely apart from those powers delegated by the Constitution, may enact laws to promote the general welfare, have never been accepted but always definitely rejected by this court."
It also decided that the Framing Convention
"made no grant of authority to Congress to legislate substantively for the general welfare (citing 1936 Butler case) and no such authority exists, save as the general welfare may be promoted by the exercise of the powers which are granted."
The American people have never amended the Constitution so as to change the limited and limiting meaning of the words "general Welfare" in the Taxing Clause, as originally intended by The Framers and Adopters in 1787-1788.
I'm gonna go ahead and call checkmate ahead of time so the usual suspects know not to waste their time.