The Mauryan empire went in to war a lot. The Mauryan empire used 9,000 war elephants for war, experienced warriors would sit on the war elephants. The war elephants would also be used to trample on enemies or knock buildings down. The war elephants helped production in the Mauryan empire. The elephants were very helpful to the mauryans.

What the Mauryan Empire used for war

http://funyarn.com/historical-video-ancient-indian-maurya-empire-322-185-bce/