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The political system of the Western Zhou Dynasty: patriarchal clan system (eldest son inheritance system) and enfeoffment system.

Bronzes of Shang and Zhou Dynasties (Musi Wuding, Yang Sifang Zun)

Text: Oracle Bone Inscriptions → Jinwen.

Farming methods in the Spring and Autumn Period and the Warring States Period: slash and burn → Niu Geng began to use iron plows in the Spring and Autumn Period and the Warring States Period.

Artificial iron smelting in the late Spring and Autumn Period

The birth of Confucianism: the establishment of Confucius (benevolence, propriety, Analects of Confucius); Mencius (benevolent government); xunzi

Taoism: Laozi (Tao is the source of all things, dialectics, inaction); Zhuangzi

Mohism: Mozi (universal love, non-aggression, Shang Xian)

Legalist: Han Fei (rule of law, absolute monarchy, centralization)

The foundation and source of feudal culture in China, the first ideological emancipation movement in the history of China.

During the Warring States Period, Li Bing of Qin presided over the construction of Dujiangyan.

Compass ("Sina") appeared in the Warring States Period.