The EU has experienced several terrorist attacks by Islamic fundamentalists since 2004 on its territory. Terrorism is threatening the fundamental rights that EU is based upon and has become not only a question of security but also a question of internal and external border security. This study seeks to examine the measures taken to fight terrorism by the EU and to see how terrorism has affected the security-, foreign-, and defence policies. The study is a theory consuming qualitative case study with both a descriptive and explanatory approach. The theoretical framework that the study is based on are theories about normative power, soft power and hard power but also the discussion about the external and internal security problem. The EU have...