Answer
Strategist Chanakya played a pivotal role in Chandragupta's rise to power. He was the mastermind behind Chandragupta's military and political strategies. Chanakya's brilliant tactics and diplomacy helped Chandragupta defeat the powerful Nanda Empire and establish the Mauryan Empire. He also served as Chandragupta's chief advisor, guiding him in matters of governance and administration. Chanakya's contributions were instrumental in shaping Chandragupta's reign and the legacy of the Mauryan Empire.