An empire might be militarily strong but not prosperous, or it could be economically wealthy without having a powerful military.
Ideally, a balance of both would make an empire both formidable and flourishing.
Thus, Aeryon said, the people
That is the most important thing. The people. Whether for army or for the economy it needed people. Not gold, not silver and bronze, but people
Win the people, win the world. But not in the way the Yan empire using that slogan.
Benevolence is not enough. Then what should be use to induce these people to follow to war, to fight for his tribe and to feel it is worth it?
Benefit. Interest.
This also should be added. Honour and fame is good but material things should also be added
That is why the method of Yan would fail and the method of the Kan would succeed