... Knowing that, it's easy to see that Article I, Section VIII clearly outlines everything Congress has the right to spend tax-payer money on, or more importantly, not spend our money on. As you stated, foreign aid, in any monetary form, was not listed; thus Congress has no right to spend tax-payer money on such things. Period. ...
You are simply completely wrong. That list is not exclusive but only illustrative of some specifics. It is not only about objectives of expenditures, but also about other authorities. How do you explain
to pay the Debts and provide for the common Defence and general Welfare of the United States;? You can't because your ideology ingnores history when it is in the way.
All the folks who love to quote Jefferson to support their fossilizing of the Constitution fail to recognize that he supported a concept of generational change in the law and social alignment.
The "original intent" constitutional applicators need to consider the history of the "English Common Law" which became so ossified that the monarch had to establish a new, parallel system of courts to maintain civil order. There arose the concept of law and equity from the courts of EQUITY which the monarch established with the injunction: "Let Justice Be Done".
Could it be that plain law will not render equity and/or justice?