太原 / Taiyuan (Warring States)
太原 / Taiyuan appears in 《资治通鉴·周纪》95丨长平之战后秦国为什么没有灭了赵国（1） as a 赵国 northwestern target in Qin’s post-长平之战 offensive. The episode names 司马梗 as the Qin commander assigned to attack Taiyuan and 上党郡 while 王龁 attacks 武安 and 皮牢.
Taiyuan’s source role is to widen the campaign map. Qin’s pressure after Changping is not just the emotional aftermath of a massacre; it is a military movement against surrounding strategic points that could open the road toward 邯郸.