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:

A mother walks with her daughters outside a building

Global Fragility Act 2.0? Amid a Possible Bipartisan Revival, a Chance to Make U.S. Peace Efforts More Effective

If the administration seizes this moment, GFA 2.0 could help the U.S. prevent costly wars and compete effectively with rivals abroad.
U.S. President Donald Trump (C) joins hands with Azerbaijani President Ilham Aliyev (L) and Armenian Prime Minister Nikol Pashinyan (R) during a signing ceremony in the State Dining Room of the White House on August 8, 2025 in Washington, DC. Trump brought the two leaders together in an initial attempt to end the conflict between Armenia and Azerbaijan that has lasted for decades. (Photo by Andrew Harnik/Getty Images)

A Closer Look at Trump’s Peace Deals: From “Death and Hatred” to “Love and Success”?

Under Trump, peace deals have been treated as an opportunity to secure resources and real estate. Recent agreements illustrate this “resources-for-peace” approach.
(L-R) U.S. President Donald Trump and UK Prime Minister Keir Starmer

Trading Sovereignty for Scale? The Costs of the U.S.–U.K. Tech Prosperity Deal

In its Tech Prosperity Deal with the US, the United Kingdom may be trading its sovereignty for dependence on American tech firms.
US Secretary of State Marco Rubio (L) sits across from Qatar's Emir Sheikh Tamim bin Hamad al-Thani (R)

Some Questions About Trump’s Order Pledging to Defend Qatar’s Security

Trump's Executive Order on Qatar raises a number of important legal and policy questions that merit careful consideration by Congress and the public.
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The Just Security Podcast: Murder on the High Seas Part II — What We Know about U.S. Vessel Strikes One Month In

Tess Bridgeman and Rachel Goldbrenner are joined by Rebecca Ingber and Brian Finucane to analyze the facts, the law, and implications of U.S. killings in the Caribbean.
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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2,813 Articles
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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. 
Visualization of the U.S.-China tech competition

Export Controls and U.S. Trade Policy: Making Sense of the New Terrain

The Trump administration's use of export controls as leverage in trade diplomacy creates risks for key U.S. national security interests.
Brazilian indigenous people and others take part in a demonstration called by Stop Ecocide International (SEI) for the recognition of ecocide as an international crime, on October 20, 2022 outside the European Council in Brussels where EU leaders were gathered for a summit. (Photo by KENZO TRIBOUILLARD/AFP via Getty Images)

Attacks on Nature, Atrocities Against People: The Case for Environmental Harm as a 12th Crime Against Humanity

Addressing the global environmental crisis requires urgent action, and this new treaty offers States an unprecedented opportunity to confront it directly and decisively.
(L-R) US Vice President JD Vance, US President Donald Trump and US Secretary of State Marco Rubio listen as Democratic Republic of the Congo Foreign Minister Thérèse Kayikwamba Wagner during a meeting with her and Rwandan Foreign Minister Olivier Nduhungirehe (not pictured) in the Oval Office of the White House in Washington, DC, on June 27, 2025. Rwanda and the Democratic Republic of Congo signed an agreement in Washington on Friday to put an end to a conflict in the eastern DRC that has killed thousands, although broad questions loom on what it will mean. Trump has trumpeted the diplomacy that led to the deal and publicly complained that he has not received a Nobel Peace Prize. But the agreement has also come under scrutiny for its vagueness including on the economic component, with the Trump administration eager to compete with China and profit from abundant mineral wealth in the long-turbulent east of the vast DRC. (Photo by ANDREW CABALLERO-REYNOLDS / AFP) (Photo by ANDREW CABALLERO-REYNOLDS/AFP via Getty Images)

U.S. Sanctions Removal on Mining Magnate Would Set Back Peace and Investment in DR Congo

The Trump administration and Congress can end the cycle of looting, smuggling, and violent extraction of raw materials from the DRC and provide a better footing for peace.
The protester holding the flags stands alone in front of a wall of about 20 officers completely covered by riot shields, each holding two shields vertically.

After Another Sham Election in Georgia, the Country’s Citizens Persist

Georgians will fight for their democracy, as the ruling party now becomes one of the world's many paranoid, insecure dictatorships that know their days are numbered.
U.S. President Donald Trump speaks during the United Nations General Assembly (UNGA)

Trump Signals Instrumental Approach to U.N. – But it Could Be Worse

Trump's General Assembly speech could have been worse, but it also showed that if countries want to make the U.N. system work, they can't bank on U.S. leadership.
View of an oil terminal

The Imperative to Weaken the Kremlin’s War Economy: What the West Can Do

The West must cut off Russia's energy revenues, target its enablers, and enforce sanctions with vigor to constrain its war economy.

Xi’s Climate Announcement: A Disappointment, Not a Breakthrough

China’s climate announcement — coupled with the U.S. withdrawal — has alarmed many in terms of the viability of the Paris Agreement’s temperature goal. 
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.
Britain's Prime Minister Keir Starmer, Britain's Secretary of State for Foreign and Commonwealth Affairs Yvette Cooper, and Britain's Deputy Prim Minister David Lammy. (Photo by KIN CHEUNG/POOL/AFP via Getty Images)

Yet Again: The U.K. Government Mischaracterizes Its Obligation to Prevent Genocide in Gaza

"Starmer’s government likely knows a proper interpretation of the law would require a change of policy."
Marshall Islands president Hilda Heine speaks during the General Debate of the United Nations General Assembly at the UN headquarters in New York City on September 24, 2025. (Photo by Leonardo MUNOZ / AFP) (Photo by LEONARDO MUNOZ/AFP via Getty Images)

A Human Rights Approach to Nuclear Regimes: Lessons from the Legacy of Nuclear Testing in the Marshall Islands

Acknowledgement and respect for human rights can encourage States, like the Marshall Islands, to join and actively participate in nuclear regimes.
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.
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