| Abstract: |
English summary on page 26 as follows: Bronze artifacts first appeared in the Phung Nguyen Culture, but at that time they had not an important effect on the economy and society. in the Dong Dau Culture, metallurgy contributed to the increase of production force. In the Go Mun Culture, bronze was commonly used, caused the development of agriculture. In the Dong Son Culture, 11 types of bronze alloys were used to produce many large and nice artifacts (drums, situlas, bells, jars, vases...). At that time, metallurgy separeted from agriculture, Social differentiation was well ,arked and the first state was formed.
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