As much as the world is being progressed security will always play one of the most important roles as long as the states exist and thus the central responsibility of the nation state is its own survival. Every state has to deal with different issues in this world and the hardest thing is how to deal with them. America which is a very powerful state has to take care of its national security and its citizens by different strategies that are shown in national security strategy. National Security Strategy is a document that U.S.A and also other states make to outline the concerns that are present and how to deal with these problems. Over the past decade or more many, governments, especially western governments, have taken steps to draw together a wide range of different functions, objectives and institutions under the concept of ‘national security’. Thus, the main reason that this strategy is created it is because of citizens and countries that face different types of security threats. This strategy has elements of realism, liberalism and constructivism which are the main theories of international relations.
To begin with, realism is a theory essentially about power and security. States relentlessly seek power and security because they exist in a self-help system. Realism views global society as a system of states where power governs international relations. According to this perspective, the world is a community where national power determines the welfare and prosperity of citizens. States work only to increase their own power relative to that of other states and that self-center is the most important thing above all (Dunne and Schmidt 100-103). The U.S.A NSS claims that America’s power and leadership is something that is necessary to be present in the world and that with every condition this has to be manifested. Thus, in the introduction it is mentioned that one of the strategies of how they will lead in the future will be with
Cited: Changing Worldviews." Chatham House. N.p., n.d. Web. 20 Apr. 2015.