The source of income of Mauryan were ----------- and toll charges.

-------------- captured from hills of Himalayas gave added strength to the army of Magadha.

The reason for the decline of Rome were invasions by ------------ groups?

Suvarnagiri was in -------- ?

The author of 'Arthasasthra'

In the early stages,the Greeks lived as  ----------?

The Mauryan empire became most powerful during the reign of --------

------------- is the book written by  Herodotus?