These acts, passed in 1767, brought harsh taxes on goods such as glass, paper, and tea. In addition, a board of customs officials was appointed to enforce writs of assistance that allowed a search of colonial homes, businesses, and warehouses for smuggled goods without a warrant. While the colonists felt that any increase in taxes signaled an abuse of Parliament, they were slow to react to these duties as they were external, rather than internal, taxes. Eventually, boycotts of British goods began. Wishing to avoid economic troubles. British Prime Minister Lord North repealed these acts in 1770.