What was the effect of Samuel Adams creating the Committees of Correspondence?

The Committees of Correspondence rallied colonial opposition against British policy and established a political union among the Thirteen Colonies. Letter from Samuel Adams to James Warren, 4 November 1772.

Explanation:

discovery of cape town-portuguese empire

development of africans language-dutch east india company

introduction of railway-british empire

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.