Why Congress Is Essential to US Grand Strategy

In 2026, the reliance on executive orders over congressional consensus has hollowed out American statecraft. From trade wars to undeclared military engagements, the absence of legislative deliberation undermines strategic continuity, leaving allies uncertain and adversaries ready to exploit the structural gaps in U.S. foreign policy.
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In 2026, the United States confronts simultaneous pressures from great-power competition, volatile energy markets, and scattered military engagements. Yet its responses often emerge from executive orders rather than sustained national consensus. This pattern has hollowed out the deliberative core of American statecraft. Partners question commitments that could vanish with the next policy shift, while rivals exploit perceived hesitation. A return to shared governance between branches offers the surest path to coherent, durable policy.

The Constitution assigns Congress clear authority over declaring war, regulating commerce, and controlling the purse. Founders designed this system to force careful weighing of costs against interests before committing blood or treasure. For decades, however, lawmakers have allowed those powers to drift toward the White House. Polarization raised the price of consensus. Short-term political calculations discouraged tough votes. The result is a structural gap that no court ruling or executive action can fully fill.

Recent events in trade policy illustrate the problem sharply. After the Supreme Court struck down broad tariffs imposed under the International Emergency Economic Powers Act, the administration quickly turned to other statutes never meant for routine commercial warfare. Section 232 national-security provisions and Section 301 investigations now serve as catch-all tools. These moves produce headlines but little strategic continuity. Allies cannot reliably forecast market access. Domestic industries face whipsaw uncertainty. Most importantly, the United States loses the ability to weave economic tools into a larger design for shaping global rules.

Trade Policy on Autopilot

Congress originally created these tariff authorities for narrow emergencies, not as standing instruments of industrial policy or geopolitical signaling. Expanded use has turned trade into an extension of domestic campaigning rather than statecraft. In great-power competition, economic leverage works best when paired with predictable diplomacy and alliance coordination. Improvised measures rarely achieve that alignment. Congressional trade legislation could impose automatic sunsets and require affirmative renewal, restoring legislative skin in the game while still granting presidents flexibility for genuine crises.

The same drift appears in military matters. The 2001 Authorization for Use of Military Force, passed after the September 11 attacks, has stretched across more than two decades and two dozen countries. Later attempts to repeal older Iraq-related authorizations showed occasional congressional interest, yet core issues remain unaddressed. Recent votes on operations linked to Iran produced procedural activity but no clear decision to authorize or terminate sustained conflict. The War Powers Resolution’s 60-day clock came and went without resolution.

The Weight of Undeclared Conflicts

Such ambiguity carries strategic costs. Realist analysis has long warned that great powers decline through gradual overextension untethered from regular political judgment. Open-ended authorities make it easier to slip into new theaters without debating whether the commitment serves core interests. They also reduce incentives for diplomacy aimed at durable settlements. Meanwhile, institutional atrophy sets in. A legislature that avoids hard choices on war loses the muscle memory needed when genuine emergencies demand rapid yet legitimate action.

The consequences extend beyond any single administration or party. Allies in Europe and the Indo-Pacific watch Washington’s internal paralysis and hedge their bets. Adversaries calculate that American policy may shift dramatically every four years. Public trust erodes when major decisions appear driven more by legal workarounds than transparent debate. Comparative examples abound: parliamentary systems that maintain stronger legislative oversight often display greater policy consistency across governments, even if they move more slowly at the outset.

Reform remains achievable through targeted mechanisms. Lawmakers could require AUMF reform that includes named adversaries, geographic limits, and expiration dates. Trade statutes could gain automatic review triggers so emergency powers do not become permanent features. Enhanced oversight committees with real subpoena power and dedicated staff would help Congress exercise its role without micromanaging tactics. These steps would not cripple presidential initiative. They would simply reconnect executive energy to legislative legitimacy.

The international environment will not wait for American institutions to heal. Competition with assertive rivals is sharpening. Climate stresses, supply-chain vulnerabilities, and technological races all demand sustained strategies that survive electoral cycles. A functioning Congress cannot guarantee wise policy, but its absence virtually ensures fragmented and reactive conduct. The next major crisis will test whether Washington can still muster the domestic cohesion that made it an effective global actor in the past. Closing the structural vacancy at the heart of American statecraft is not merely a constitutional nicety. It is a national-security imperative.


Original analysis inspired by Christian Dobson Santiago from The National Interest. Additional research and verification conducted through multiple sources.

By ThinkTanksMonitor