Identify the correct code for Assertion A and Reason R as given below:Assertion A: The United States administration considers South Asia as a low-salience zone so far management of global affairs is concerned.Reason R: It is considered so because the intra and inter-country tensions and conflicts remain within manageable limits.Codes:

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