Qin's wars of unification are a series of military campaigns conducted during the late 3rd century BC by the Qin state against the other six major states (Han, Zhao, Yan, Wei, Chu, Qi) in the territories that will later become China.
“Let us study things that are no more. It is necessary to know them, if only to avoid them. The counterfeits of the past assume false names, and gladly call themselves the future. Let us inform ourselves of the trap. Let us be on our guard. The past has a visage, superstition, and a mask, hypocrisy. Let us denounce the visage and let us tear off the mask."