Two statements are given below one is labelled as Assertion (A) and the other as Reason (R): Assertion (A): Turkish invasions on India were successful. Reason (R): There was no political unity in North India. Select the correct answer from the codes given below: 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 correct explanation of (A)
• (c)(A) is true, but (R) is false
• (d)(A) is false, but (R) is true