In “shadow of war” ever-present (Aron, 1970: 36);

In realism, it should be noted that the states are not equal and are placed in a hierarchical order as per their power. In an anarchical system, the only way to defend and survive is to use the military power (Slaughter, 2011). Evil and egoistic passions are given primary emphasis by the realists, as Donnelly mentioned in 2000 “the tragic presence of evil in all political actions” (Morgenthau, 1946: 203).

This outlook necessitates that politics is viewed as a struggle for power with the “shadow of war” ever-present (Aron, 1970: 36); mainly due to the irreconcilable aspirations of the states (Carr, 1946). According to this, every state would try to obtain as much power as possible. But in case there is an imbalance power, the likelihood of war becomes high primarily, because the stronger state may attack the weaker state without sanction or any loss of itself. However, this idea about power and equipoise is not only encompasses the military power, but also encompasses the economic power. This means that states whose economies are growing are also gaining more power. Therefore, attention of realists is focused on the economy of a state as it is related to its power (Mearsheimer, 2016).

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Moreover, realists believe that the non-governmental organizations do not possess the military power to compete with states in the international system. This means that the role played by the United Nations is limited (Dunne and Schmidt, 2017: 106), as the main actors (states) in the international system are not only concerned in achieving absolute gains, but also in obtaining relatively higher benefits than the others involved.Considering all of the above, strategies like mutual mistrust, selfishness, power-seeking, recklessness as well as survival-securing are considered to be capable for producing anarchical structures amongst polities along with security dilemmas, unrestricted politics of national interests, violence and ever-present threats of war.