title: EU–Russia Relations and the Unravelling of the European Security Regime in the Context of the Ukraine Crisis
abstract: This chapter uses the concept of international regimes, as defined by Krasner, to analyse the transformations occurring in the European security regime grounded in the principles established with the Helsinki Final Act. The permanence of the North Atlantic Treaty Organization (NATO) after the end of the Cold War has contributed to tensions between the Euro-Atlantic and the pan-European security arrangements within the regime. The EU's vision of regional security is hard to grasp, partly due to t