My answer:
This kingdom is just like the Gupta empire ruled by Ashoka. We can persuade the emperor by saying we will make more and new roads for him. We could use some of our money for this project. This would help all the travelers traveling to many places.

Evidence #1:
The Gupta empire and Ashoka invented the road system. The roads also had many uses.

Pg. 80 ISN

Evidence #2:
The Gupta rulers used the roads for trading with other countries. Some were China and the lands east of the Mediterranean Sea.

Pg. 80 ISN

ECONOMY SCENARIO #2
Paloma heredia