Though militarism has been considered as the dominant ideology of the modern nation-state apparatus in the 19th and early 20th centuries during which many state- and nation-building processes were continuing, one can argue that even 21st century national and international politics are not immune from militarist approaches. Though some countries in the Western world are believed to have reached to the age of post-Westphalian era; many others, for the apparent stake of internal and external threat perceptions, do still give importance to the deterrence potential of their military.