How did Buddhism and Hinduism spread Most successfully?

1- trade was one of the most effective ways

2- people who didn’t want to worship rulers any longer

3- they were told to do so by fortune teller

1.) Trade was one of the most effective ways.

Explanation:

Buddhism and Hinduism spread more successfully when Indian merchants as well as Brahmans and Buddhists monks settled down throughout this region bringing with them their religious beliefs.

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