According to the buddha, the way to wisdom, enlightenment, and salvation is by following a. nirvana c. the vedas b. the tree of wisdom d. the eightfold path

The correct answer is option d. "the Eightfold Path".

Explanation:

According to Buddhism, the Noble Eightfold Path is a summary of what should be done in order to achieve liberation from samsara, the painful cycle of rebirth. The Noble Eightfold Path is the teaching of Buddha, at which by following eight Buddhist practices, people could reach wisdom, enlightenment and salvation.

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