Diplomacy

Just Security’s expert authors offer analysis of diplomacy and its role in addressing global challenges, from armed conflicts to international crises and more. Our coverage includes U.S. foreign policy, international organizations, and multilateral diplomacy related to critical global issues.

Highlights:

Concept image of deep underwater ocean exploration with submarine or rov. (via Getty Images)

The Rulemakers of Deep-Sea Mining: How the U.S. and China Are Competing Beyond Minerals

In the race for critical minerals, those who control the legal and regulatory frameworks will shape who has access and which values define the future of resource extraction.
The band members march toward the left of the photo, wearing red jackets and black pants with red stripes and playing instruments including a tuba, as a red, yellow and green Ethiopian flag flies in the background in front of the dam, with water flowing down its slope.

The Brewing Egypt-Ethiopia Nile River Conflict is Ripe for “Solving”

An agreement to resolve the dam conflict has long been drafted. Trump could be the "closer" engaging Presidents Abiy and el-Sisi for a deal.
Dodik, at right, shakes hands with Putin to the left, with another figure in the back left of the frame, in an ornately decorated room.

U.S. Lifts Sanctions on Putin-Backed Bosnian Serb Separatist Leader

The Trump administration's sanctions removal for Bosnian Serb separatist Milorad Dodik precedes a Russia-Led U.N. Security Council meeting.
Softbank CEO Masayoshi Son and U.S. President Donald Trump shake hands after the signing of memorandums of understanding during a meeting with business leaders at the U.S. Ambassador's Residence on October 28, 2025 in Tokyo, Japan. (Photo by Andrew Harnik/Getty Images)

The $550 Billion Shadow Budget: Trump’s Japan Deal and the Disappearing Appropriations Clause

The deal circumvents the Appropriations Clause and congressional safeguards designed to enforce it, creating a system answerable only to the White House.

Irreconcilable Presidential Determinations: On Tren de Aragua and the Venezuelan Government

The two determinations are mutually exclusive; it is legally impossible to maintain both simultaneously.
Belarusian President Alexander Lukashenko (L) shakes hands with Russian President Vladimir Putin (R) during the Great Heritage - Common Future Forum, a Russian-Belarusian meeting, dedicated to the anniversary of the Battle of Stalingrad on April 29, 2025 in Volgograd, Russia. Vladimir Putin and Alexander Lukashenko are having a joint visit to Volgograd, former Stalingrad, marking the 80th anniversary of the end of World War II. (Photo by Contributor/Getty Images)

Memorandum for Prosecution of the Crime of Aggression Committed Against Ukraine

James Goldston and Esti Tambay present their organization's work, a Memorandum supporting efforts to hold officials accountable for the crime of aggression against Ukraine.
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2,826 Articles
Gavel and scales with a US flag in the background as symbols of a jurisdiction.

Litigation Tracker: Legal Challenges to Trump Administration Actions

A public resource tracking all the legal challenges to the Trump administration's executive orders and actions.
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The Just Security Podcast: Reflections on International Law Weekend 2025

Chiara Giorgetti, Milena Sterio, and Rebecca Hamilton join Just Security’s Managing Editor, Megan Corrarino, to discuss takeaways from ABILA's International Law Weekend. 
Binders of executive orders stacked on a desk.

Collection: Just Security’s Coverage of Trump Administration Executive Actions

Coverage of key developments, including in concise “What Just Happened” expert explainers, legal and policy analysis, and more. Check back frequently for updates.
A crowd swirls around a blaze set in front of a blue-green solid metal gate inscribed with the name of the U.N. peacekeeping mission, MONUSCO. A few palm fronds are seen in the foreground, and stone walls flank the gate in the background.

The United Nations and a World in Pain

The U.N.’s survival depends on how it positions itself between the elephant and the mouse, in South America and the Caribbean, Asia, Africa, and beyond.
Crew members of the US Navy warship USS Sampson (DDG 102) are pictured at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

The Caribbean Strikes and the Collapse of Legal Oversight in U.S. Military Operations

Congress and the public must do more to address the dangerous pressures imposed on servicemembers and defend the guardrails that protect both U.S. forces and democracy.
U.S. President Donald Trump (R) speaks with Ukrainian President Volodymyr Zelensky (L)

Roosevelt’s Weak Hand and Trump’s Strong One in Eastern and Central Europe: Will Trump Play His Good Cards?

While President Trump hasn't fully sided with Putin, he hasn't used his favorable strategic position as history shows he could to end Russia's war on Ukraine.
Anglo-French troops land at Port Fouad, near Port Said on November 05, 1956 during the Suez Crisis. An Anglo-French intervention has been launched after Egypt's President Nasser nationalized Suez Canal on July 26, 1956. End of December diplomatic action by the USA and the USSR forced Britain and France to withdraw and Israel to relinquish Sinaï which they invaded in October. (Photo by Guy Touchard / AFP) (Photo by GUY TOUCHARD/AFP via Getty Images)

Crisis as Catalyst: The Past, Present, and Future of International Law

To see crisis as catalyst is to reject fatalism and to believe that law can be both a shield and a compass in turbulent times. #ILW2025 aims to honor that belief.
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The Just Security Podcast: Murder on the High Seas Part III

Tess Bridgeman is joined by Rebecca Ingber and Brian Finucane to assess the latest strikes, the brief detention of two survivors, where the campaign may be headed, and what…
Palestinians rally around aid trucks which entered from the Karem Abu Salem crossing, in Khan Yunis in the southern Gaza Strip on October 12, 2025, as a ceasefire between Israel and Palestinian factions holds in the besieged territory. A Gaza ceasefire was holding for a third day on October 12, ahead of a US-proposed hostage-prisoner exchange and a summit aimed at charting a path to peace after two years of war. (Photo by OMAR AL-QATTAA/AFP via Getty Images)

Implementing the Gaza Ceasefire

The ceasefire in Gaza faces many challenges and is currently threatened by serious violations. What can we learn from the experience of ceasefires elsewhere?
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Just Security’s Artificial Intelligence Archive

Just Security's collection of articles analyzing the implications of AI for society, democracy, human rights, and warfare.
A collage of images featuring scenes from the Russia - Ukraine War.

Just Security’s Russia–Ukraine War Archive

A catalog of over 100 articles (many with Ukrainian translations) on the Russia Ukraine War -- law, diplomacy, policy options, and more.
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Crisis as Catalyst in International Law

On its 80th anniversary, the U.N. is undertaking much-needed reform. Despite pressures, it continues to be one of the world’s most important and impactful institutions. 
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