How did the stamp act increase tension in the United States

The act, which imposed a tax on all paper documents in the colonies, came at a time when the British Empire was deep in debt from the Seven Years’ War (1756-63) and looking to its North American colonies as a revenue source. Arguing that only their own representative assemblies could tax them, the colonists insisted that the act was unconstitutional, and they resorted to mob violence to intimidate stamp collectors into resigning. Parliament repealed the Stamp Act in 1766, but issued a Declaratory Act at the same time to reaffirm its authority to pass any colonial legislation it saw fit