Which of the following ruler was responsible for the rise of Magadha?

Which of the following ruler was responsible for the rise of Magadha? Correct Answer Bimbisara

Bimbisara, (born c. 543—died 491 bce), one of the early kings of the Indian kingdom of Magadha. Bimbisara built the city of Rajagriha, famous in Buddhist writings. He was succeeded on the throne by his son Ajatashatru, who murdered his father to obtain power.

Related Questions

Assertion (A): Chandragupta Maurya failed in his first campaign against Magadha.
Reason (R): He did not begin with the frontiers, but invaded the heart of Magadha.