Final answer:
The Committees of Correspondence were created primarily to enable inter-colonial communication about British policies perceived as threatening to their liberties, not for military planning, drafting rights declarations, or organizing protests like the Boston Tea Party. option 3.
Step-by-step explanation:
The Committees of Correspondence were established to create an interconnected network among the American colonies for the purpose of sharing information and coordinating responses to the British government's policies.
They were not explicitly created for military planning against British soldiers, drafting a colonial declaration of rights, or organizing the Boston Tea Party, though they later facilitated communication and coordination for various acts of resistance, including the Boston Tea Party.
The correct answer to why they were established is Option 3:
To communicate with other colonies about threats to liberty. Samuel Adams initiated this in Boston, and it quickly spread to other colonies, allowing them to exchange ideas and unify their positions against British actions deemed oppressive, thus playing a crucial role in the escalation to the American Revolutionary War.
So Option 3 is correct answer.