Armed Conflict • International Law
Use of Force
936 Articles
The United Kingdom’s Use of Force Against Iran: Walking a Legal Tightrope?
An assessment of the United Kingdom's ability to maintain a legal line between defensive versus offensive operations against Iran.
Was Targeting Ayatollah Khamenei and Other Iranian Leaders Lawful? What Precedents Does It Set?
After Iran’s supreme leader, Ali Khamenei was killed in a U.S. and Israeli attack, a key question arises: when is striking a member of the enemy leadership lawful under the laws…
Double Preemption, Imminence, and the U.S. Attack Against Iran
Secretary of State Marco Rubio’s argument that Operation Epic Fury was an act of preemptive self-defense is not credible and does not satisfy the necessary precondition.
Top Questions the Trump Administration Needs to Answer on War with Iran
What Congress, journalists, and the public should ask the Trump administration about its war in Iran.
Aggression by the United States and Israel, Misdirected Self-Defense by Iran, and Collective Self-Defense of Gulf States
Analysis of the legality of U.S.-Israel actions against Iran, Iran’s response, and third-party states’ legal options and obligations under the UN Charter.
The Trump Administration’s Theory of Constitutional War Powers: “The President Could Decide”
The legal memo justifying its Venezuela operations provides insight into the administration's use-of-force decisions and the factual evidence undergirding them.
International Reactions to Military Strikes on Iran: A Tipping Point for the UN Charter?
Positions taken at the UN Security Council are a harbinger of whether the legal cornerstone of the international order that is designed to maintain world peace can hold.
Risk of Renewed War in Tigray: Painful Reminders From Ethiopia’s Last War Demand Action to Prevent Another
With the possibility of renewed fighting in Ethiopia's Tigray region, reminders of the toll and recommendations for the world to take preventive action.
Expert Q&A: Are U.S. Threats or Use of Force Against Iran Lawful?
Experts examine the international law issued raised by the U.S. threats and potential strikes against Iran.
What the Current Crises Facing Iran Mean for Human Rights and Rules on the Use of Force
The human rights crisis in Iran reveals the limits of a legal system designed to restrain force even when restraint carries profound human costs.
Ukraine’s Long War and History’s Lessons for the West
Russia’s long war on Ukraine is a world-shaping conflict, and only sustained U.S. and European pressure can secure the continent's future and the global order.
U.S. Allies and Adversaries’ Reactions to Operation Absolute Resolve to Capture Maduro: UN Security Council Emergency Meeting
Key excerpts from the Jan. 5 U.N. Security Council meeting on the U.S. operation that captured Venezuela’s Nicolás Maduro.