One of the major ways in which slaves helped to grow the colonial economies was "By developing new land" since most of their work was done in the fields.
The Townshend Acts were a series of measures, passed by the British Parliament in 1767, that taxed goods imported to the American colonies. But American colonists, who had no representation in Parliament, saw it as an abuse of power. The British sent troops to America to enforce the unpopular new laws, further heightening tensions between Great Britain and the American colonies in the run-up to the American Revolutionary War.