Hence, one chariot circle formation became the key to deciding the outcome of the Battle of Changping.
Within 10 days, the grain from Henei prefecture had safely been transported to Guanglang City, and the Qin army's grain crisis had been temporarily relieved. Fanju did all he could in Xianyang to make the commoners provide some grain for the military.
One could say that the Qin had placed everything they had on this battle.
As the Zhao army had enough grain, they were determined to outlast the Qin army.
After setting up the chariot circle formation and calming down the situation down south, Zhao Kuo, who was very ambitious, had already set his sights on Ying Bao's troops to the north. Within Gu Pass were 170 thousand troops, and adding with the 50 thousand in Hukou Pass, they absolutely could eat up the 100 thousand men of Ying Bao.