Question

how did Chandragupta improve life during the Maurya impire

Answer 1

Chandragupta improved the lives of his subjects by overthrowing the corrupt Nanda Empire, uniting the continent of India and implementing an efficient national administration. Chandragupta founded the Mauryan Empire in 321 B.C. and ruled until he was succeeded by his son in 298 B.C

Answer 2

Rightly said by the previous answerer.
I would like to add to that chandragupta was a witty king who dreamt of uniting small kingdoms into one as one nation and from there only the concept of nation came!