Rational Actor model assumes that leaders act rationally in foreign policy. States are considered to be unitary actors behaving rationally in their relations with other international actors (Neack, 2008, 31-39). Rationality suggests that leaders undertake a cost-benefit analysis of the particular courses of action available to themselves and picks the one that would yield the highest amount of benefit and least amount of cost. Leaders make a preference ordering based on the expected payoffs of available courses of action