Answer:
the Silk Road was more goods were available in more places. Silk, owing to its soft texture and appealing shimmer, became so hotly desired that it was used as currency in central Asia.
(economic)
It expanded China's foreign economic trade and made the world know China. At the same time, it promoted the trade between China and other countries in the world, and achieved mutual benefit and reciprocity, laying a good foundation for future cooperation.
