No taxation without representation the House of Commons must include colonial representatives when it voted on colonial matters, or operate by using the consent of the colonial Assemblies. The Americans rejected the Stamp Act of 1765 brought in by British Prime Minister George Grenville, and violently rejected the remaining tax on tea imports, under the Tea Act passed in May 1773, at the Boston Tea Party on December 16, 1773. The Parliament considered this an illegal act because they believed it undermined the authority of the Crown-in-Parliament. When the British then used the military to enforce laws that the colonists believed Parliament had passed
No taxation without representation no exchange of property with each other, neither purchase nor grant, nor recover debts; we shall neither marry nor make our wills, unless we pay such and such sums; and thus it is intended to extort our money from us or ruin us by the consequence of refusing to pay it." For those sympathetic to republicanism, such as James Burgh, Catherine Macauley, and Richard Price, any tax revenue measures that were voted into effect without the direct representation of Americans were "unconstitutional" and "pernicious". Burgh felt that virtual representation was "subversive of liberty" and "unjust in its principles" and that