Answer:
Which of the following best explains why trade among the colonies flourished?
The different regions specialized in different crops.
The colonies had developed large fleets of trading ships.
Existing trade routes were well-maintained by Native Americans.
Colonies were founded with specific trade agreements in place.
Step-by-step explanation:
The right answer is The different regions specialized in different crops.
If we see all the colonies (New England, Middle, Southern) They were all specialized in different crops. For example, The middle colonies were specialized in Wheats and such.