Given below are two statements, one labeled as Assertion (A) and the other labeled as Reason (R). **Assertion (A):** Chandragupta II established a strategic matrimonial alliance by marrying his daughter, Prabhavatigupta, to the Vakataka king Rudrasena II. **Reason (R):** The Vakataka alliance was geopolitically crucial for the Guptas to secure their southern flank during their military campaign against the Saka Satraps of Western India. Select the correct answer using the codes given below:

Options:

• 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.

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