The US House of Representatives voted 214–213 on Thursday to reject a resolution requiring President Trump to withdraw American forces from hostilities with Iran. The margin was the narrowest possible defeat, with a single vote determining the outcome.

Why it matters

The vote was the third failed attempt by Democrats to invoke the War Powers Resolution since the conflict began in February. Each attempt has come closer to passing, signalling growing bipartisan unease with an undeclared war now in its seventh week.

How the vote broke down

Representative Jared Golden of Maine was the only Democrat to oppose the measure, saying the vote would undermine US negotiating leverage during active ceasefire talks. Republican Thomas Massie of Kentucky, who co-sponsored the resolution, was the only member of his party to vote in favour.

A second Republican, Warren Davidson of Ohio, voted present rather than taking a position.

Three Democrats who had opposed a similar resolution in March — Juan Vargas, Greg Landsman, and Henry Cuellar — switched their votes to support the measure this time.

The case for restraining the president

Supporters argued that the Constitution gives Congress alone the power to declare war. Representative Greg Meeks, who introduced the resolution, said the administration had failed to present a coherent strategy or an end date for the military campaign.

Democrats pointed to rising fuel costs and the deployment of more than 10,000 additional troops to the Middle East as evidence that the conflict was escalating without congressional oversight.

The case for presidential authority

Republicans who opposed the resolution argued that withdrawing forces during active ceasefire negotiations would weaken the American bargaining position. House Speaker Mike Johnson called the vote “a stunt designed to hand leverage to Tehran.”

The White House cited the 2001 Authorisation for Use of Military Force as legal justification for the operations, a claim disputed by constitutional scholars on both sides.

What happens next

Democrats are exploring a new strategy: attaching war powers conditions to upcoming defence spending bills, which would force Republicans to choose between funding the military and granting the president unchecked authority. The Senate rejected a similar war powers resolution earlier this week.