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This was china's bronze age. China's bronze age has bronze age writing, technology, walled cities, and a complex state structure.

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In about 1050 BC, the Shang dynasty was defeated in battle by armies from Zhou. It is the spring and fall seasons.

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The Warring States Period was a time of turmoil and violence. The Nobels got mote power from the king.

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The writing system of China has become standardized by the government. The umbrella was invented.

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The paper was invented by Imperial court official Cai Lun. The Xin Dynasty overthrows the Han Dynasty for a short period of time.