Respuesta :
The correct options are (A&D). under the Tang Dynasty Chang’an was the capital and it became one of the most important centers of culture and trade. During the eighth century CE, the city had the largest population on the earth, which was close to 3 million. The Chang,an was located it was at the end of the Silk Road. So, People from different culture and belief came to the city for trade and made the city as a center of culture and trade.