The purpose of this study is to elucidate to what extent and how the security dimension of European integration has been influenced by the international systemic changes since World War II and up to the present. For this purpose, first, the security understandings which have come to the forefront due to the international systemic change since the World War II are explained. Later the security dimension of European integration is evaluated in the context of security understandings coming forth in the international system. This study is important for two reasons. First, it reveals the...