The Trump administration is now determining what the future holds for Ukraine, and by extension for Europe, in matters of territorial integrity, sovereignty and security. Washington aims to make a deal to end the full-scale war Russia launched in February 2022 that Russian President Vladimir Putin has waged against Ukraine, even if it means abandoning longstanding international principles that prohibit the recognition of territory acquired through military occupation.For Europe more broadly, and the European Union in particular, however, there is far more at stake than those principles, which Washington has rarely prioritised in its own foreign policy.Deterring Putin from further aggression, and ensuring that Ukraine is stable both politically and economically, lies at the core of the bloc’s security and political concerns. A settlement to the conflict that fails to achieve either would risk the bloc’s own long-term security.Of course, all of this must be managed while ensuring that the Trump administration does not itself further endanger European security by once again casting doubt on its commitment to NATO’s security infrastructure. But Europe has already, if belatedly, begun to wake up to these concerns. By last year, 23 NATO members were spending the target 2 percent of GDP on defence, and the alliance agreed …
