There are different ancient kingdoms. The evidence historians have found of a golden age during the Kingdom of Silla is option d in the image attached.
- A lot of objects such as 100 spectacular objects were produced in about 400 and 800 Silla's seminal time period.
Silla is known to be the Korea's Golden Kingdom that has a lot of artistic achievements. This small kingdom was known to have rose to stardom then when they embraced cosmopolitanism, and did gained control over much of the Korean peninsula.
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Disadvantage to society of using authority
High demand for it thus it produced high profit