Well from what I learned they nearly got wiped out at one point but it was great for agriculture, they grew rice and other plants but they had much flooding
Hello
the real answer to this questions is, A. prove the legitimacy of dynastic rule
C. the expansion of Americas across the continent :)
Because The Maurya Empire in India used a combination of political sabotage, religious conversion, and military conquest to expand its rule. The Romans, although a militaristic society, did not generally set out to conquer territory. But, they did get involved in many wars.
I hope that helps.