Identify the correct code for Assertion A and Reason R as given below:Assertion A: The disintegration of the Soviet Union brought Russia's decisive retreat from socialism and a turn to capitalism.Reason R: The disintegration eliminated its 'Superpower' status.Codes:

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