State of the British and French colonies in North America, with respect to number of people, forces, forts, Indians, trade and other advantages. In which are considered, I. The defenceless Condition of our Plantations, and to what Causes owing. II. Pernicious Tendency of the French Encroachments, and the fittest Methods of frustrating them. III. What it was occasioned their present Invasion, and the Claims on which they ground their Proceedings. With a Proper expedient proposed for preventing future Disputes. In two letters to a friend [electronic resource].