Answer:
Chandragupta was born into a family left destitute by the death of his father, chief of the migrant Mauryas, in a border fray.
Chandragupta overthrew the Nanda dynasty and then ascended to the throne of the Magadha kingdom, in present-day Bihar state, India, about 325 BCE.
Step-by-step explanation:
He united all of India under his rule. He formed alliances with the Greeks. Chandragupta was known as a good king. Just because of him Indian civilization grew more people started to support him and many other things.