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Jul 14, 2026 President Trump announced the reinstatement of an Iranian blockade and a U.S. security-fee role in the Strait of Hormuz Corroborated Power and Authority
The announcement asserted sweeping wartime and trade authority with limited visible congressional buy-in, raising separation-of-powers concerns.
Supporting reports
- Trump announces reinstatement of Iranian blockade — On July 13, 2026, President Trump announced via social media that the U.S.
- Trump announces blockade on Iran — President Trump announced the reimposition of a blockade on Iran, declaring the U.S.
Mar 14, 2026 President Trump ordered the bombardment of Iran without congressional authorization Corroborated Power and Authority
The strike concentrated war-making power in the presidency and weakened the constitutional role of Congress in authorizing major military action.
Supporting reports
- Trump Orders Bombardment of Iran — President Donald Trump ordered a bombardment of Iran, marking a significant escalation in tensions between the two countries.
Feb 28, 2026 President Trump announced and defended major combat operations against Iran without congressional authorization Tier 1 · Primary Power and Authority
The president used war powers unilaterally, shifting core decisions on force away from Congress and weakening democratic checks on military action.
Supporting reports
- Trump Announces Military Action Against Iran — On February 27, 2026, former President Donald Trump released a video on his social media platform, Truth Social, announcing a military operation against Iran.
- Trump announces military operations in Iran — Following the military strikes on Iran, President Trump posted an 8-minute video on social media announcing the commencement of major combat operations.
- Trump expresses desire for regime change in Iran — In a phone call with reporters, President Trump stated that his primary goal in the military action against Iran is regime change, emphasizing his desire for freedom for the Iranian people.
Jan 10, 2026 The Trump administration seized Venezuelan oil proceeds and placed them under U.S. control without congressional consultation Corroborated Power and Authority
The move concentrated foreign-policy and financial power in the executive branch while bypassing normal legislative checks on war, sanctions, and public funds.
Supporting reports
- Trump Administration's Actions Against Venezuela — The Trump administration seized Venezuela's oil and directed its proceeds into Trump's personal control, an action taken without congressional consultation.
- Trump Administration's Military Actions in Venezuela — The Trump administration, with Marco Rubio playing a key role, orchestrated the removal of Venezuela's president, Nicolás Maduro.
- Trump declared national emergency regarding Venezuelan oil revenue — On January 10, 2026, President Trump signed an executive order declaring a national emergency concerning the revenue from the sale of Venezuelan oil, stating that repayment to oil companies would harm U.S.
Jun 21, 2025 President Trump ordered U.S. airstrikes on Iranian nuclear facilities without congressional approval Corroborated Power and Authority
The strikes tested constitutional limits on war powers by concentrating military decision-making in the presidency and bypassing normal legislative authorization and advance notice.
Supporting reports
- President Trump Orders Airstrikes on Iranian Nuclear Facilities — On June 21, 2025, President Trump ordered airstrikes on three Iranian nuclear facilities—Fordow, Natanz, and Isfahan—marking the first U.S.
- U.S. Military Conducts Airstrikes on Iranian Nuclear Sites — On June 21, 2025, President Donald J.
- US military conducts airstrikes on Iranian nuclear sites — The US military launched airstrikes targeting Iranian nuclear facilities, involving over 125 aircraft and multiple bomb types, including GBU-57 bunker buster bombs and Tomahawk missiles.
Mar 1, 2025 Secretary of State Marco Rubio used emergency authority to approve a large arms transfer to Israel without congressional review Corroborated Power and Authority
The move bypassed normal legislative review of a major weapons transfer, strengthening unilateral executive control over foreign military support.
Supporting reports
- Secretary of State Marco Rubio bypasses Congress to send arms to Israel — Secretary of State Marco Rubio invoked "emergency authorities" to send $4 billion in arms, including 2,000-pound bombs, to Israel.
- Trump Administration Approves $3 Billion Arms Sale to Israel — The Trump administration has approved a nearly $3 billion arms sale to Israel, bypassing congressional review.