Deterrence theory and strategy in the international system from the Cold War to the multipolar era. Towards a new strategy of ‘extended deterrence’ in Greek-Turkish relations |


strategic theory
IR theory
nuclear weapons

How to Cite

Papanastasopoulos, N. (2021). Deterrence theory and strategy in the international system from the Cold War to the multipolar era. Towards a new strategy of ‘extended deterrence’ in Greek-Turkish relations |. Political Observer | Revista Portuguesa De Ciência Política, (15).


Deterrence is the key concept for understanding the strategy and diplomacy of the age (Kenny, 1985). Its various versions — or better yet — its main manifestations appear during the Cold War period (Brodie, Wolfers, Viner, at A. Lupovici, 2010), initially through competition, especially in the field of scientific discoveries and then in the balance between the two superpowers, the US and the Soviet Union. This article, using a historical and conceptual perspective, analyses the philosophy and dynamic of the deterrence theory, both in the conventional and especially in its Cold War and the multipolar era dimension. This article revisits the concept of deterrence and defends a more plausible deterrence theory — the ‘extended deterrence’ conception. Drawing on insights from the IR theory and security studies, we are going to use Greek-Turkish relations as a case study of this approach. This approach supports an implementation of the extended deterrence by the enrichment of the NATO’s article 5. The findings of this study can help members of the academic community familiarize themselves with this new concept of deterrence.


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