Consider the following statements regarding the geography of Bihar in Later Vedic texts: 1. The Sadaneera river, which formed the boundary between the kingdoms of Kosala and Videha, is identified with the modern Gandak river. 2. The Aitareya Brahmana classifies the regions of the subcontinent and refers to the eastern peoples as 'Prachyas'. 3. The Later Vedic texts describe the region of Magadha as the center of orthodox Brahmanical culture and sacrifices. Which of the statements given above are correct?

Options:

• A: 1 and 3 only
• B: 2 and 3 only
• C: 1 and 2 only
• D: 1, 2 and 3

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