Chapter 10 The Battle of Feishui(24)

Fourth, although the former Qin army number is more than 10 times that of the eastern Jin, but more than half are gathering in March on the way. In fact, there were only about 150,000-200,000 men in the former Qin army. Although the Beifu army of the Eastern Jin Dynasty was only 80,000 strong, its training level and combat effectiveness were far superior to those of the former Qin army. [29] Power, therefore, is really a fight, the advantages of the former Qin army are marginal. In addition, the Eastern Jin was a passive defense to protect the country and its morale was high. On the other hand, many of the former Qin armies were sent by the lords of the previously divided regions. They came only when they had to, and they were weary of war and demoralized. In that era, cold weapons played a very important role in fighting wars, and their morale was high and low is of greast importance to victory.

There are also other reasons, such as:
Xie An and others of the main war faction in the Eastern Jin Dynasty were not disorderly in the face of danger and had a firm attitude in the war of resistance.