Correct Answer:
Option D - Chandragupta Maurya with the help of Kautilya, overthrew/defeted Dhanananda, the last Nanda ruler, in 322 BC. Chandragupta Maurya was the founder of the Mauryan Empire.
D. Chandragupta Maurya with the help of Kautilya, overthrew/defeted Dhanananda, the last Nanda ruler, in 322 BC. Chandragupta Maurya was the founder of the Mauryan Empire.