How did Aśoka spread Buddhism among the people in his empire?

In the Aryamanjusrimulakalpa, Ashoka takes offerings to each of these stupas, traveling in a chariot adorned with precious metals. He gave donations to viharas and mathas. He sent his only daughter, Sanghamitra, and son, Mahindra, to spread Buddhism in Sri Lanka (then known as Tamraparni).

Explanation:

one central belief of buddhism is often referred to as reincarnation -- the concept that people are reborn after dying. buddhism is a philosophy of life expounded by gautama buddha ("buddha" means "enlightened one"), who lived and taught in northern india in the 6th century b.c.

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