Answer:
A reason is becuase they were an important channel for ancient trade between East and West. Also, a second reason is because the Silk Road provided a strategic link for ancient eastern and western cultural exchange. Hope this answered your question!
A lake or pond depending on the situation.
I hope you are satisfied with my answer!! Good Luck !!!☻
D as some countries don’t have certain things as other countries have more than they need so they trade the item for another item.
