The period of Chinese history (475-221 BC) characterized by conflict between rival states after the fall of the Zhou dynasty, ending with the Qin unification.
warring states
Nations or states that are at war with one another; states engaged in battle.
Warring States period (Japan)
The Sengoku period of Japanese history (c. 1467 – c. 1615), characterized by social upheaval and near-constant military conflict
