Detailed Solution:
The correct answer is “Both A and R are true but R is not the correct explanation for A”.
The answer is (2) Both A and R are true but R is not the correct explanation for A.
While the war might have been a contributing factor, it wasn't the sole reason for granting independence to India. The Indian independence movement, with its growing strength and demands for self-rule, played a crucial role in forcing the British hand.