What impact did the Tang Dynasty have on the Silk Road? Select all that apply.

A. The Tang Dynasty reopened the Silk Road in 639 CE
B. The Tang Dynasty improves silk-making techniques across China.
C. The Tang Dynasty shut the Silk Road down in 639 CE
D. The Tang Dynasty is considered the "golden age" of the Silk Road.

A. The Tang Dynasty reopened the Silk Road in 639 CE

B. The Tang Dynasty improves silk-making techniques across China.
D. The Tang Dynasty is considered the "golden age" of the Silk Road.