What factors made the Tang capital of Chang'an a center of culture and trade? Select the two correct answers.
A. It welcomed foreigners and their beliefs.
B. It was located on the South China Sea.
C. It was the center of silk production.
D. It was located at one end of the Silk Road.
E. It based its trade on the merit system.
A. It welcomed foreigners and their beliefs.
D. It was located at one end of the Silk Road.