To enforce the collection of customs duties, Britain issued Writs of Assistance, or search warrants, permitting customs officers to enter homes, shops and warehouses to search for smuggled goods. The merchants of Boston, who, like all of the eastern seaboard, lived by trade that evaded customs, challenged the Writs in court with James Otis as their advocate. His plea in a “torrent of impetuous eloquence” enunciated the basic colonial principle that “taxation without representation is tyranny.”