Explanation: Spring and Autumn Period there is no just war. Also refers to an unjust war. Source: "Mencius down" Mencius said, 'Spring and Autumn is no just war. '" Examples: The ancients said :"~。" imperialism today is even more no just war, only to be oppressed nations and oppressed classes are just war. (Mao Zedong's "On the strategy against Japanese imperialism")