The expansion of Later Vedic polity into the Bihar region is famously marked by the legend of Videgha Mathava. Which of the following analytical conclusions can be drawn from this legend as recorded in the Shatapatha Brahmana?

Options:

• A: It represents the peaceful, non-violent conversion of the indigenous population of Bihar to the Vedic fold without any physical migration.
• B: It symbolizes the eastward expansion of agricultural civilization and Vedic sacrificial culture using fire (Agni) to clear dense forests.
• C: It proves that the kingdom of Magadha was the first in Bihar to be thoroughly Sanskritized and integrated into the Vedic core.
• D: It indicates that the river Sadānīrā (modern Gandak) was completely dried up due to a massive volcanic eruption, allowing easy passage.

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