Assertion (A): The emphasis on Power Politics in Realist Theory of International Relations has been found in the works of Thucydides, Sun Tzu and Machiavelli respectively.
Reason (R) : The idealistic view of human nature and the possibilities of human progress propounded by the liberals is rooted in the works of Kant, Locke and Rousseau.
In the context of the above two statements, which of the following is correct?