The ___ was a secret society established to oppose british policy

D. Sons of Liberty

Explanation:

Boston Tea Party

Explanation:

Colonists dressed up as Native Americans and boarded a ship carrying tea. This occurred during the Tea Act.

These colonists then threw barrels of tea into the sea as an act of rebellion or to oppose British policy.

No one knows who these people were because they were disguised as Native Americans.  This can conclude that this was a secret because no one knew who these people were.

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answer; i believe that the correct answer is (tobacco);