Fifteen years later, a policy shift has been enacted and the European Union (EU) has become the most active external actor in BiH. It aims for the sustainability of the Dayton Peace Accords (DPA) signed in 1995 and first implemented by NATO. Moreover, the process of European integration has helped to stimulate reforms that were necessary to fully implement the peace process. As a result, the EU has become a norm producer, and seems to be leading the fragile country towards sustainability.
The historical process that changed the role of the failed peacekeeper into a real, though not always effective, state-builder, as well as the mechanisms implemented to achieve this new function, are at the centre of our contribution. Studying such a process and mechanisms will lead to a better understanding of the transformation of European expansion, now that it is directed towards the other post-war countries born from the collapse of the former Yugoslavia.