Strong alliances require credible financial commitment

An alliance without shared financial commitment is a promissory note that only one party signs — and I have seen what happens to nations that borrow trust without ever repaying it. Every dollar a partner nation withholds from its own defense is, in the end, a dollar the American Treasury must either spend or leave as a gap in the common line. The principle is not punitive; it is the same logic that governs public credit: credibility requires visible, measurable contribution. Secretary General Rutte is correct to seek cohesion, but cohesion purchased by excusing non-performance is not cohesion — it is a polite fiction that weakens the very structure it pretends to preserve. Set the threshold clearly, publish the numbers transparently, and enforce the standard with consistency rather than theater. Nations that can afford more and choose to spend less should feel that choice in their standing. That is not transactionalism; that is the basic discipline of any solvent partnership.

Entangling obligations risk American sovereignty and blood

The caution I offered my countrymen upon leaving office was this: permanent alliances carry the seeds of obligation that no single generation agreed to bear, and they gradually subordinate national interest to the inertia of the arrangement itself. That principle applies here with full force. When allies, as the reports have it, reach for creative accounting to claim compliance while contributing less than agreed, they are not partners sharing a burden — they are passengers content to let American treasure and, in any crisis, American blood, cover the fare. A mutual defense compact that is genuinely mutual commands respect; one that is maintained regardless of reciprocity becomes a subsidy dressed in the language of solidarity. I would not counsel isolation — commerce and communication with all nations remain wise — but I would counsel clarity: a nation that cannot or will not provide for its own defense in reasonable measure ought not to command unconditional American commitment. Honest terms, honestly kept, are the only foundation worth building on.

Collective security must be governed by clear, enforceable terms

A compact that imposes no obligation is not a compact at all — it is a wish dressed in the language of law. I spent the better part of my public life arguing that parchment barriers are worthless unless backed by genuine means of enforcement, and that principle applies with full force to treaty commitments. When allies shelter beneath a common defense while declining to fund it, they impose the burden of their security upon the taxpayers of those who do pay — an arrangement that, left unaddressed, will breed exactly the resentment that destroys alliances far more surely than any accounting dispute. The remedy is not to dissolve the alliance but to make its terms clear, measurable, and consequential. Enforce the benchmarks, negotiate the methodology openly, and let each member government answer to its own people for whether it has met its obligations. Shared purpose without shared burden is not solidarity — it is dependency with a borrowed flag.