Assertion A: The central focus of International Relations is not evil, but tragedy.Reason R: States often share common interests, but the structure of the situation prevents them from bringing about the mutually desired situation.Select the correct answer from the code given below:Codes:

• A. A is correct, but R is not correct.
• B. A is not correct, but R is correct.
• C. Both A and R are correct and R is the correct explanation of A.
• D. Both A and R are not correct.