The Development of EU's Security Policy after 2014

This diploma thesis focuses on the development of the common EU security policy between the years 2014-2019. Its aim is to contribute to a deeper understanding of the rapid progress of the Common Foreign and Security Policy (CFSP) and the Common Security and Defence Policy (CSDP) in recent years, as well as to an explanation of their current functioning. The work seeks to achieve this through the three dominant strands of new institutionalism (historical, rationalist and sociological), which have already proven to be the theories able to clarify the European integration process. The thesis examines the process of EU security integration and its strengthening through the creation of new tools in the security-political dimension. Each theoretical variant focuses on different issues and different part of reality, this way the thesis leads to a more comprehensive explanations. The basic research question set out is as follows: How can we explain the unprecedented development of a common EU security policy using the dominant strands of new institutionalism in the period 2014-2019? From a methodological point of view, it is conducted as a one-case qualitative study