The resolutions imposing import and export duties were passed by both Houses almost without comment. That relating to a stamp-duty he did not press at the moment, announcing that he postponed it for a year, in order to ascertain in what light it would be regarded by the Colonists themselves; and as most, if not all, of the Colonies had a resident agent in London, he called them together, explained to them the object and anticipated result of the new imposition (for such he admitted it to be), and requested them to communicate his views to their constituents, adding an offer that, if they should prefer any other tax likely to be equally productive, he should be desirous to consult their wishes in the matter. He probably regarded such language on his part as a somewhat superfluous exercise of courtesy or conciliation, so entire was his conviction of the omnipotence of Parliament, and of the impossibility of any loyal man or body of men calling its power in question. But he was greatly deceived. His message was received in America with universal dissatisfaction. Of the thirteen States which made up the body of Colonies, there was scarcely one whose Assembly did not present a petition against the proposed measure, and against any other which might be considered as an alternative. Grenville, however, was not a man to be moved by petitions or remonstrances. He was rather one whom opposition of any kind hardened in his purpose; and, as no substitute had been suggested, at the opening of the session of 1765 he proposed a series of resolutions requisite to give effect to the vote of the previous year, and imposing "certain stamp-duties and other duties" on the settlements in America, perhaps thinking to render his disregard of the objections which had been made less unpalatable by the insertion of words binding the government to apply the sums to be thus raised to "the expenses of defending, protecting, and securing" the Colonies themselves. The resolutions were passed, as the "Parliamentary History" records, "almost without debate," on the 6th of March.[34] But the intelligence was received in every part of the Colonies with an indignant dissatisfaction, which astonished even their own agents in England.[35] Formidable riots broke out in several provinces. In Massachusetts the man who had been appointed Distributor of Stamps was burnt in effigy; the house of the Lieutenant-governor was attacked by a furious mob, who avowed their determination to murder him if he fell into their hands; and resolutions were passed by the Assemblies of the different States to convene a General Congress at New York in the autumn, to organize a resistance to the tax, and to take the general state of affairs into consideration.