Through this envoy corps, they could estimate the approximate military strength of the nation behind them, and then calculate how many troops the Gai Nation might need to dispatch and how long it would take to flatten them.
Yes, this is the current thinking of the Gai Nation's army; upon learning that there is another country out there, their first reaction is to determine how much power is needed to completely conquer the nation, rather than to live peacefully with it.
This mindset extends from the highest commander down to the common soldiers; it is a concept developed from Gai Nation's twenty years of warfare.
In their eyes, nations only have the relationship of conqueror and conquered, and naturally, they, the Gai Nation, are the exalted conquerors.