Diplomacy

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(L-R) French President Emmanuel Macron, Germany's Chancellor Friedrich Merz and British Prime Minister Keir Starmer pose for the media at a hotel prior to an E3 meeting on the sidelines of the 2025 NATO summit on June 24, 2025 in The Hague, Netherlands. (Photo by Ben Stansall - WPA Pool/Getty Images)

What You Need to Know About Iran Sanctions Snap Back at the UN: A Q&A with Kelsey Davenport

On Aug. 28, three European nations triggered snapback of the UN's Iran sanctions. Kelsey Davenport explains its impact, next steps, and why it matters.
Security Council Chamber at United Nations

The United Nations in Hindsight: The Security Council and the UN80 Initiative – What Lies Ahead?

The road to a leaner, more efficient U.N. is likely to be bumpy, but as the U.N. turns 80, its future may lie in being able to adapt to shifting global realities.
Ukraine's President Volodymyr Zelenskyy (L), Britain's Prime Minister Keir Starmer (C) and France's President Emmanuel Macron (R)

The Fantasy of a European Reassurance Force for Ukraine

A European "reassurance force" for Ukraine risks being another notional "guarantee" offering little more than a false sense of security.
IMAGES (left to right): People search through buildings, destroyed during Israeli air raids in the southern Gaza Strip on November 7, 2023 in Khan Yunis, Gaza (Photo by Ahmad Hasaballah/Getty Images); A fireball erupts during Israeli bombardment of Gaza City on October 9, 2023 (Photo by Mahmud Hams/AFP via Getty Images); The International Court of Justice (ICJ), the principal judicial organ of the UN, holds public hearings on the request for the indication of provisional measures submitted by South Africa in the case South Africa v. Israel on 11 and 12 January 2024, at the Peace Palace in The Hague, the seat of the Court (Photo by the International Court of Justice).

Just Security’s Israel-Hamas War Archive

Just Security's collection of more than 110 articles covering the Israel-Hamas War and its diplomatic, legal, and humanitarian consequences.
IMAGES (left to right): Natural disaster and its consequences (via Getty Images); In this picture taken on September 28, 2022, an internally displaced flood-affected family sits outside their tent at a makeshift tent camp in Jamshoro district of Sindh province (Photo by Rizwan Tabassum/AFP via Getty Images; Trees smolder and burn during the Dixie fire near Greenville, California on August 3, 2021. – Numerous fires are raging through the state’s northern forests, as climate change makes wildfire season longer, hotter and more devastating. (Photo by JOSH EDELSON/AFP via Getty Images)

Just Security’s Climate Archive

A catalog of articles analyzing the diplomatic, political, legal, security, and humanitarian consequences of the international climate crisis.
Judges of the International Criminal Court (ICC) await the verdict of a sentencing on November 20, 2024 at the ICC court in The Hague. (Photo by EVA PLEVIER/ANP/POOL/AFP via Getty Images)

Raising the Cost of U.S. Coercion Against the ICC

Previous administrations sought to reinterpret, evade, or selectively engage with international law. The Trump administration is actively delegitimizing and dismantling it.
The Ukrainian and Taiwanese flags

A Security Guarantee for Ukraine? Look to the Taiwan Relations Act

The United States and its allies can use the Taiwan model to make post-war Ukraine more secure without writing checks they cannot cash.
Afghan women walk along a stone-laden street on the outskirts of Kabul on July 22, 2025. (Photo by WAKIL KOHSAR/AFP via Getty Images)

What the Erosion of the International System Means for Afghanistan

The ongoing struggle of Afghanistan’s exiled democratic movement is a vital bulwark against a rising tide of authoritarianism and extremism.
People install obituaries for people killed in a terrorist attack

Regular ISIL-Threat Review at U.N. Shows U.S., Russia, China, and European Interests and Competition on Counterterrorism

An upcoming UNSC review is a good chance for States to reflect on what is needed in implementing the Council's counterterrorism work.
U.S. President Donald Trump sits at a table with Ukrainian President Volodymyr Zelensky, European Commission President Ursula von der Leyen, NATO Secretary-General Mark Rutte, and other European leaders

Trump, Zelenskyy, European Leaders in White House Meeting: Progress Toward a Deal?

Getting to any deal between Ukraine & Russia will require the United States & Europe to stand by Ukrainians & stare down Russia's demands.
Local residents carry their belongings out of a heavily damaged residential building following a Russian strike in the town of Bilozerske, Donetsk region on August 12, 2025, amid the Russian invasion of Ukraine. The advances come just days before U.S. President Donald Trump is due to meet his Russian counterpart Vladimir Putin in Alaska for talks on the war, the first meeting between a sitting US and Russian leader since 2021. (Photo by GENYA SAVILOV/AFP via Getty Images)

In Trump’s Planned Meeting With Putin, Beware of Traps, Play the Right Cards

President Trump must avoid Putin’s traps, ramp up the pressure on Russia, and make clear that the United States will back Ukraine’s security.
An M23 soldier watches over a group of around one hundred Democratic Forces for the Liberation of Rwanda (FDLR), Wazalendo and Armed Forces of the Democratic Republic of the Congo (FARDC) fighters as they disembark a truck at the Stade de l'Unité, during their presentation by Colonel Willy Ngoma in Goma on May 10, 2025. These fighters were previously neutralised by the AFC/M23 security services. (Photo by JOSPIN MWISHA/AFP via Getty Images)

Seven Pillars of Military Integration for the DRC-Rwanda Peace Accord

These pillars outline requirements to manage armed groups and integrate them into statutory military forces during a war-to-peace transition.
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