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.
3,082 Articles

How the U.N. Can Show Renewed Leadership on Peace Efforts in 2026
To support peace efforts, the U.N. will need to show that it can adapt to the changing world order and not mourn the old order.

Greenland Post-Davos: Enforcing 22 USC 1928f to Save NATO and Contain Trump’s Lawless Foreign Policy
In his threats against Greenland, President Trump has violated the U.N. Charter, the North Atlantic Treaty, and Section 1928f, prompting Congress to take swift action.

Can the U.S. Government Be Sued for Wrongful Death in a Caribbean Boat Strike?
In Burnley v. United States, relatives sue on behalf of two Trinidadian men killed in a boat strike, confronting U.S. sovereign immunity and the political question doctrine.

Has the U.S. Actually Withdrawn from the World Health Organization?
The U.S. effort to withdraw from the WHO presents unique issues of international law—and offers a rare opportunity for an international organization to push back on U.S. exit.

The Law of Naval Warfare and the U.S. Capture of Neutral Merchant Vessels: The Case of the Marinera
In‑depth legal examination of the U.S. capture of the Russian‑flagged tanker Marinera and its implications under the law of naval warfare.

“America Alone” Runs Counter to U.S. Public’s Preferences for Robust Global Engagement
The Trump administration's withdrawal from dozens of international structures contradicts polls showing Americans broadly support multilateralism, alliances, and human rights.

Responding to the Trump Administration’s Cuts to International Judicial Work
Foreign aid cuts have halted most international judicial training. What future paths remain for U.S. judges seeking global engagement?

Expert Q&A on the Charter of the Board of Peace and the Role of Congress
Can the United States join the Board of Peace without action by Congress? Can it provide funds or carry out its operations without congressional approval?

The Insurmountable Legal Obstacles to U.S. Acquisition of Greenland
Any acquisition of Greenland by the United States–whether by force or through coerced agreement–would directly violate fundamental principles of international law.

Hypothetical Legal Review of Use of the U.S. Military in Greenland
This hypothetical legal review imagines what a senior judge advocate’s legal analysis would be if ordered to plan a U.S. military operation in Greenland without Denmark's consent.

Getting Critical Minerals Certification and Due Diligence Right In the DRC-Rwanda Accord and Beyond (With a Lesson from a Punk Band?)
A concentration on decision-making, investment, and accountability will lead to a more impactful DRC-Rwanda minerals agreement and improve others as well.

The EU Discovers Emergency Powers: Russian Assets Edition
When is it justified for the EU to rely on emergency measures to protect Ukraine and counter Russia?