Then came the Spring and autumn and Warring States periods (i. e., the Eastern Zhou Dynasty), periods of transition from slave to feudal society.

之后就是春秋战国(即东周)，这一时期被认为是由奴隶社会向封建社会的过渡阶段。

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The Xia dynasty was the earliest slave society in the Chinese history, which was founded around the 21st century B. C. and replaced by the Shang dynasty in the 16th century B. c.

夏是中国历史上最早的奴隶制国家，大约形成于公元前21世纪，在公元前16世纪被商所取代。

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