Psychological tools are often used in the assessment of decision making and policy paradigm of politicians, diplomats and other key decision-makers in the government. So, the political psychology in its essence studies the foundations, dynamics, and outcomes of political behavior using cognitive and social explanations. This discipline engages in the understanding of why political leaders think and behave in a certain manner and the consequences that they unleash in international affairs. Role of Ideology and its implications on decision making: To understand the psychological role, we need to delve into the impact of ideologies and beliefs that nudge the decision making in the international affairs. Ideologies are large, sprawling and complex set of assumptions. People can believe in parts of them while rejecting their other parts. An ideology is a perceptive or theory that aims to improve society or so claims its adherents. Usually ideologies end in “isms”, such as liberali...