Given below are two statements, one labeled as Assertion (A) and the other as Reason (R). **Assertion (A):** The Battle of Raichur (1520) is considered a landmark event in medieval Indian warfare due to the extensive and decisive use of firearms and Portuguese mercenaries. **Reason (R):** Krishnadevaraya had secured a treaty with the Portuguese Governor Afonso de Albuquerque to monopolize the import of Arabian horses and obtain military assistance. Select the correct answer using the code 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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