Which goods did Great Britain pass a direct tax on that led to boycotts and a group of delegates to meet to determine how to protest it?

 The direct tax imposed by Great Britain that led to widespread boycotts and a meeting of delegates to determine a course of protest was the Stamp Act of 1765. The Stamp Act required that many printed materials in the colonies be produced on stamped paper produced in London, carrying an embossed revenue stamp. These materials included legal documents, newspapers, pamphlets, and even playing cards. The tax affected a wide array of colonists across the societal spectrum, which contributed to the unity and strength of the protest. In response, a group of delegates from nine of the thirteen American colonies convened in what came to be known as the Stamp Act Congress in October 1765 in New York City. Here, they formulated a unified protest against British taxation policies, arguing that only their own representative assemblies could tax them