With this finding, archaeologists did not just uncover the burial ground of the First Emperor of China: they opened a window into the past. Without many written records, little to nothing was known about warfare of this time. Although the Qin were known to be militaristic, information on their military formations, armor, chariots, and weapons were unknown.  Historians believed that the Qin armies introduced chariots and crossbows, but they had no idea what they looked like or how they were used. This was all changed with the discovery of the terracotta army. The incredible discovery of the terracotta army has greatly helped historians uncover information from a time that has little to no written historical records. This underground army, however, does not tell us everything. The terracotta army left historians with unanswered questions, but primarily gave insight into the military history of the Qin dynasty.