7. Define the term
Caravans

Answer;

A caravan (from Persian: کاروان‎) is a group of people traveling together, often on a trade expedition. Caravans were used mainly in desert areas and throughout the Silk Road, where traveling in groups aided in defense against bandits as well as helping to improve economies of scale in trade.

Idon't think any of em are right, you need to add the number of what paragraph you got your citation from