Published：May 13, 17:54Last updated：May 20, 12:40

U.S. Senate Moves to Limit Trump's Iran War Powers

May. 13, 2026 17:54

The U.S. Senate narrowly rejected a resolution on Wednesday aimed at ordering the withdrawal of U.S. forces engaged in the conflict against Iran. The Republican majority refused to limit the military powers of President Donald Trump. The resolution, similar to others proposed by the Democratic opposition in recent weeks, received 49 votes in favor (including three Republican senators) and 50 against. Republican Senator Lisa Murkowski voted for the first time to demand the withdrawal of U.S. troops from Iran. Democrats seek to reaffirm legislative authority over war declarations, challenging the executive power represented by Trump.

Summarized

12News

12Media

May. 20, 2026 12:06

The U.S. Senate has taken a step to limit President Donald Trump's military powers, requiring him to either halt military actions against Iran or seek Congressional approval. This resolution aims to ensure legislative oversight over military decisions.

May. 20, 2026 12:40

The US Senate has advanced a resolution to limit President Trump's authority to conduct military actions against Iran without Congressional approval. After passing the Senate, the resolution will move to the House of Representatives. If enacted, it would significantly increase pressure on Trump to end the Iranian campaign, though he retains the option to veto the measure.

The U.S. Senate has taken significant steps to limit President Donald Trump's military authority regarding Iran, advancing a resolution that requires congressional approval for continued military actions. This move reflects growing bipartisan concern over unilateral strikes and aims to reassert legislative oversight in war declarations. The resolution, which passed with a narrow margin, seeks to end U.S. hostilities in Iran unless explicitly authorized by Congress.

🗳️ Senate Vote Breakdown

The resolution passed with a 50-47 vote, including support from four Republican senators, notably Lisa Murkowski. This bipartisan backing highlights the increasing unease among lawmakers about Trump's unilateral military decisions. The measure aims to enforce the War Powers Resolution of 1973, which mandates congressional approval for prolonged military engagements. Despite its passage in the Senate, the resolution faces challenges in the House and a potential presidential vetoRadio-Canada+2.

⚖️ Legislative vs. Executive Power

Democrats have consistently pushed to reclaim congressional authority over war declarations, challenging Trump's executive powers. The resolution underscores the ongoing tension between legislative oversight and presidential autonomy in military matters. This move is part of a broader effort to ensure that military actions align with congressional intent and public accountabilityReuters+2.

🕒 Historical Context

The push for this resolution follows the expiration of the 60-day deadline set by the War Powers Resolution on May 1, 2026. The Senate's action marks a rare rebuke of Trump's military strategy, signaling a shift toward greater legislative involvement in foreign conflicts. This development could set a precedent for future administrations, emphasizing the need for congressional approval in military engagementsRussia Today+2.

🏛️ Next Steps

The resolution now moves to the House of Representatives, where it faces significant Republican opposition. Even if passed, Trump retains the option to veto the measure, potentially escalating the conflict between the executive and legislative branches. However, the Senate's action represents a critical step in reasserting congressional authority over military decisionsRadio France Internationale+2.

IranCongressU.S. SenateDonald TrumpLisa Murkowski