For much of the war, Europe has projected a broad, if imperfect, consensus on Ukraine: support Kyiv, contain Moscow, and keep the path to EU integration open. But that consensus is now being complicated by older grievances and domestic politics that Brussels cannot easily manage from the center.
One of the clearest signs is the growing strain between Poland and Ukraine over the legacy of the Volhynia massacres and Ukrainian nationalist symbols. Recent reporting has described this dispute as a threat not only to a crucial bilateral alliance, but also to Ukraine’s broader EU bid.[2] That is significant because enlargement depends not just on institutions, but on political trust among member states and candidate countries.
The EU’s institutional machinery is built to manage accession, conditionality, and neighborhood policy, but it cannot erase history. The bloc’s own policy architecture spans enlargement, foreign policy, justice, migration, and internal affairs, all of which are now entangled in the Ukraine question.[1] Every step toward integration becomes harder when historical memory returns as present-day diplomacy.
This is the hidden vulnerability of Europe’s Ukraine strategy. The continent can sustain large-scale financial and political support when the external threat is obvious, but cohesion is less secure when disputes become symbolic, emotional, and domestic. Governments can agree on sanctions and aid; they struggle more with questions of identity, narrative, and legitimacy.
The larger danger is that Europe mistakes survival of the alliance for permanence of the alliance. If wartime solidarity starts fraying under the pressure of unresolved history, the EU may discover that enlargement is not only a legal and economic process, but a test of political memory. On that test, Europe is less prepared than it likes to believe.
