12 May 2025

Why Peace Talks Fail in Ukraine

Samuel Charap and Sergey Radchenko

It has been nearly three months since U.S. President Donald Trump launched a major effort to bring the war in Ukraine to an end. The diplomatic exchanges that followed have yet to produce meaningful results. In Russian President Vladimir Putin, Trump faces a crafty, experienced adversary who hopes to capitalize on the American president’s impatience with the war to coerce Ukraine into signing away what the Russians have failed to win by force on the battlefield.

There is no reason to think that Trump will acquiesce to Putin’s list of demands. In fact, he has repeatedly voiced frustration with the lack of progress in the talks and has threatened to walk away, as Russia continues to creep forward, inch by bloody inch, in a long war of attrition with no end in sight.

Amid all the recent proposals and counterproposals, threats and counterthreats, reexamining the last real attempt to bring this war to a negotiated end can help inform the current effort. In 2024 in Foreign Affairs, we delved into the history of the talks that began in the war’s first weeks and which, by the end of March 2022, had produced the so-called Istanbul Communiqué, a framework for a settlement. The core bargain in the framework would have entailed Ukraine embracing permanent neutrality, foreclosing its possible membership in NATO, in return for ironclad security guarantees. The sides failed to finalize the deal in the subsequent months, and the war has now entered its fourth year.

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