Chinese ancient society changed greatly during the period of the Spring and Autumn and the Warring States , as a mirror of society , meanwhile , the changes of society were reflected in anti-calamity , so changes also took place in anti-calamity of the Spring and Autumn and the Warring States period . The dynamic historic setting ,the main target , the basic unit , the subject and the reality of anti-calamity existed huge changes . As a window which reflect society variavation, it has histority importance . |