What factors made the Tang capital of Chang'an a center of culture and trade? Select the two correct answers

(1 point)
• It welcomed foreigners and their beliefs.
It based its trade on the merit system
• It was the center of silk production.
• It was located at one end of the Silk Road
• It was located on the South China Sea

• It welcomed foreigners and their beliefs.

• It was located at one end of the Silk Road.