Answers

2016-03-10T22:21:14+05:30
To establish their control over large empire

to keep an eye on officials

to ensure that officials followed emperor's orders

to know about the enemy's plan so as to attack them and gain more area under controll

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2016-03-11T13:51:22+05:30
The Mauryan kings employed spies mainly to find out about their enemy's plans of attack so that he could make better ones to attack hos enemy. By attacking enemies, the king became more powerful, thus gaining more land and larger armies
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