Which of the following best explains why trade among the colonies flourished?

This question can not be answered.

Explanation:

this is because you did not give us the opitions sorry

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."