Who among the following rulers was first to embrace Buddhism?

The correct answer is: A. Ashoka

Ashoka was the third emperor of the Mauryan Empire in India. He ruled from 272 to 232 BCE. He is known for his military conquests, as well as his Buddhist reforms.

Ajatasatru was the second emperor of the Magadha Empire in India. He ruled from 493 to 462 BCE. He is known for his conflict with his father, Bimbisara, and for his defeat of the Vajji confederacy.

Bindusara was the second emperor of the Mauryan Empire in India. He ruled from 321 to 272 BCE. He is known for his expansion of the Mauryan Empire.

Bimbisara was the first emperor of the Magadha Empire in India. He ruled from 544 to 493 BCE. He is known for his conflict with his son, Ajatasatru,