This gave the people of the Four Kingdoms an illusion, that this battle might be worth fighting.
The Chu army, may not be invincible after all.
And as long as they won, the unbeatable legend of the Chu army would be shattered, and their current power and riches could be preserved.
Their own families could continue to live in wealth and power in the land of Yuzhou.
It was with this stroke of luck in mind that, before the Northern Expedition of the Chu army, the spies of the imperial security bureau were active in the Four Kingdoms, attempting to connect with aristocratic families and officials of various countries, urging them to rise in arms and coordinate within and without when the Chu army advanced.
Confronted with this request, all these individuals who had secretly maintained good relations with Chu State either politely or directly expressed their refusal.