Answer:
2.The Mauryan Empire expands
Explanation:
The chart is describing the events that took the Emperor Chandragupta Maurya to expand his empire during the 4th century BCE. The Mauryan empire was the first unified empire of the Indian subcontinent and it happened after Chandragupta recovered the territories that were under Greek occupation, ruled by the successors of Alexander the Great.
Chandragupta Maurya created a strong centralized state and, with the help of a brilliant adviser, Kautilya, he managed a complex administration, created a strong army, and a secret society of spies. Kautilya is known for writing the Arthashastra, a famous Indian treaty on the art of ruling, politics, economy, and military strategy.