The purpose of the Declaratory Act of 1766 was to affirm that Great Britain had complete authority to tax its American colonies. Analyze the impact of the Stamp Act, Declaratory Act, Townshend Revenue Act, Quartering Act, and Intolerable Acts.One of the most famous parts of the Declaration of Independence is written below. The Proclamation Line of 1763 was a British-produced boundary marked in the Appalachian Mountains at the Eastern Continental Divide. Compare with confession. Parliamentary taxation of colonies, international trade, and the American Revolution, 1763–1775. The outline below shows the 4 parts of the Declaration of. Independence and what each part is for. A description of how the statutes, rules, or orders substantially affect the petitioner in the petitioner's particular set of circumstances. More than 200 years ago, our Founding.