NYL423092 The Tea-Tax Tempest, or the Anglo American Revolution, 1778 (litho) by American School, (18th century); New York Public Library, USA; (add.info.: demonstrations throughout the US against the British Government by American colonists; many crates of tea were dumped in Boston Harbor; these incidents were major catalysts for the American Revolutionary War; image from the Thomas Addis Emmet Collection of Illustrations relating to the American Revolution;); American, out of copyright.