Explanation: because many men had to over sea to fight. the women were left to work the factories. this was a huge change from the traditional thinking of. women stay home and run the house while men go out and work. Major social changes.
The Mauryan empire controlled most of the trade in northern and central India, they had captured dozens of territories and had even more in their sphere of influence, due to this trade generated massive amounts of gold and precious minerals in their coffers.