Eine Rücknahme dieses Versprechens hätte fatale Folgen, ebenso wie eine Vertagung weiterer Beitritte ad calendas Graecas.
Reneging on this promise for the region’s other countries, or postponing additional accessions to a later date ad kalendas Graecas (meaning never), would have disastrous consequences. While one can argue over whether Turkey really counts as part of Europe, there is no doubt whatsoever that the Western Balkans do.