Answer:
Himalayas, Karakorum, and Kunlun ranges.
Step-by-step explanation:
- The silk route travelers connected the east Asia with southeast Asia.With Persia and the Arabian peninsula. And it began with the Han dynasty in China. And it expanded to central Asia and thus they extended the great wall of china to protect the trade route.
- The northern route included many mountainous ranges like the china, Kazakhstan and Afghanistan. The Himalayas in the India and the southern route was of the Karakorum ranges and Ganges delta.