Congress alone holds war power

The Constitution is not ambiguous on this point. Article I, Section 8 grants Congress — and Congress alone — the power to declare war, to raise and support armies, to provide and maintain a navy, and to make rules governing the forces so raised. The executive commands those forces, yes; but command is not the same as authorization to initiate hostilities against a sovereign nation. The framers placed the power to commence war in the branch most directly answerable to the people precisely because war is the gravest expenditure of life and treasure a republic can undertake. When the executive strikes a foreign nation unilaterally and Congress registers only murmurs of concern rather than a formal vote, the constitutional structure is not merely bent — it is quietly hollowed out. A republic that permits one branch to start wars and another merely to fund them afterward has not preserved the balance; it has surrendered it. Congress must either authorize these strikes or demand they cease.

Executive must act swiftly in crisis

The executive must act when the nation is struck or imminently threatened — that much is plain from the text of the Constitution itself, which vests in the Commander-in-Chief the authority to repel sudden attack and protect American forces in the field. A government that must wait for formal deliberation while missiles are already in the air is no government at all; it is a committee meeting in the path of a cannonball. I argued in the Federalist that energy in the executive is the leading character of good government, and that energy belongs nowhere more urgently than in the immediate conduct of war. Yet — and I insist on this — speed in the first blow does not dissolve the legislative check altogether. Congress must be consulted swiftly, must authorize continuation, and must control the purse. The War Powers Resolution exists precisely for this boundary. Strike fast if you must; then come before the people's representatives and make your case. Swift action and republican accountability are not enemies.

Avoid entangling foreign conflicts entirely

The Constitution's framers gave Congress — not the President — the power to declare war, and they did so with clear eyes, having witnessed what happens when a single executive can drag a nation into conflict by his own will and his own ambition. To strike a foreign nation, to risk drawing the Republic into a widening regional conflagration, without the deliberate sanction of the people's representatives is not merely a procedural irregularity — it is a usurpation of the most consequential kind. And for what strategic purpose? Entanglement in the quarrels of distant powers bleeds the treasury, buries the young, and returns the Republic nothing that commerce, conducted in good faith, could not secure far more cheaply. I counseled in my day that we seek peace, commerce, and honest friendship with all nations, entangling alliances with none. That counsel was not timidity — it was the hard arithmetic of a republic that cannot afford endless war and still remain free at home.