The House of Representatives on Wednesday approved a war powers resolution aimed at ending unauthorized U.S. military involvement in Iran, marking the most significant congressional challenge yet to President Donald Trump’s handling of the conflict.
The measure, sponsored by Rep. Gregory Meeks (D-N.Y.) invokes the 1973 War Powers Resolution and would require the administration to obtain explicit authorization from Congress before continuing hostilities against Iran, except in cases involving an imminent threat to the United States. The vote followed months of growing bipartisan concern over a conflict that began in late February and has now stretched into its fourth month.
The resolution’s passage comes after several earlier efforts failed in both the House and Senate, including a March vote that fell 212-219 and an April vote that failed by a single vote.
Growing Republican Unease
While most Republicans have backed Trump’s military campaign against Iran, cracks have begun to emerge within the party.
A handful of GOP lawmakers have argued that Congress must reassert its constitutional authority over decisions of war and peace. Some Republicans have pointed to the War Powers Resolution’s 60-day clock, which generally requires congressional authorization for sustained military operations.
The issue has also gained traction in the Senate. Last month, the Senate advanced a similar war powers measure with support from several Republican senators, reflecting growing discomfort with the administration’s approach and the lack of a formal authorization for the conflict.
White House Maintains War Powers Act Does Not Apply
The Trump administration has consistently argued that congressional authorization is not required under current circumstances.
In a letter sent to congressional leaders in May, Trump asserted that hostilities had effectively “terminated” following a ceasefire agreement reached in April, meaning the War Powers Resolution’s statutory deadline no longer applied. Administration officials have maintained that while U.S. forces remain deployed in the region, the ceasefire altered the legal framework governing the conflict.
Not everyone is buying that argument. Critics in both parties contend that with U.S. forces still deployed across the region and sporadic military operations involving Tehran continuing, Congress should play a direct role in authorizing any future escalation or expanded military action.
Debate Centers on Constitutional Authority
Supporters of the resolution argue that Congress — not the president alone — has the constitutional authority to authorize prolonged military conflicts.
Backers contend the measure is less about Iran specifically and more about preserving Congress’ role in decisions involving war. Opponents argue that restricting presidential flexibility could undermine U.S. military readiness and weaken deterrence against Iran and its regional proxies.
The debate has become one of the most consequential separation-of-powers disputes of Trump’s second term, with lawmakers increasingly pressing the administration to explain its long-term strategy in the region.
What Happens Next
Passage in the House does not automatically end U.S. military operations.
The measure faces additional procedural hurdles, and the White House has indicated it disagrees with Congress’ interpretation of the president’s authority under the War Powers Resolution. Even if enacted, legal questions would likely remain over how such restrictions could be enforced against a president acting as commander in chief.
Still, Wednesday’s vote represents a notable political setback for the administration and underscores growing bipartisan skepticism toward continued U.S. involvement in the conflict. As lawmakers from both parties demand greater oversight, the struggle between Congress and the White House over Iran policy appears far from over.
This is a breaking news story. Please check back for updates.
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