Consider the following statements: **Assertion (A):** The Battle of Buxar was fought in 1764 between the British East India Company and the combined forces of Mir Qasim, Shuja-ud-Daulah, and Shah Alam II. **Reason (R):** After the Battle of Buxar, Shah Alam II granted the Diwani rights of Bengal, Bihar, and Orissa to the British East India Company. Which of the following options is correct?

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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