Answer :
Answer:
Pros and cons refers to advantages and disadvantages which are given below:
Explanation:
Advantages of developing trade routes by land or sea are the following:
1. It allows easily movement of people and transportation of goods from one place to another.
2. These trade routes is also used for the exchange of ideas and people.
3. Trade through land and sea routes are less costly.
Disadvantages :
1. It takes too much time to reach through land or sea.
2. It is also a threat of robbers or having a natural disaster.