Given below are two statements, one labeled as Assertion (A) and the other as Reason (R). **Assertion (A):** Bimbisara's annexation of Anga was a crucial turning point that laid the foundation for the imperial expansion of Magadha. **Reason (R):** The conquest of Anga gave Magadha access to the rich maritime trade routes of the Bay of Bengal through the port of Champa. In the context of the above statements, which of the following 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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