During the Qin and Han dynasties, military actions were mainly explained by divination, and wars were guided by theological views, right?

In this case, it is correct to guide the war from a theological point of view.

During the Qin and Han Dynasties, the upper nobility generally believed that military action was predicted by divination and war was guided by theological views. Shang Wang likes to predict events such as war and weather through Oracle Bone Inscriptions's divination. After the attack of King Wu, the situation that princes and nobles like divination and fortune-telling has not changed much, from Oracle Bone Inscriptions's divination mode to more abundant other ways.