Cambridge History of American Literature: volume 1, Colonial and Revolutionary Literature: Early National Literature: Part I
Trent, William Peterfield, 1862-1939., Erskine, John, 1879-1951., Sherman, Stuart Pratt, 1881-1926., Van Doren, Carl, 1885-1950., Ed.

Though Franklin's political mission was not wholly successful, his residence in England from 1757 to 1762 was highly profitable to him. It developed his talent as a negotiator of public business with strangers; it enabled him to consider British colonial policies from English points of view; and it afforded him many opportunities for general self-improvement. After a fruitless effort to obtain satisfaction from the representatives of the Penn family, dismissing as impractical the hope of procuring for Pennsylvania a royal charter, he appealed to the Crown to exempt the Assembly from the influence of proprietary instructions and to make the proprietary estates bear a more equitable proportion of the taxes. To get the Assembly's case before the public, he collaborated with an unknown hand on An historical review of the Constitution and government of Pennsylvania, published in 1759. The result was a compromise which in the circumstances he regarded as a victory. His interest in the wider questions of imperial policy he exhibited in 1760 by aspersing the advocates of a hasty and inconclusive peace with France in his stinging little skit, Of the Meanes of disposing the enemies to peace,¹ which he presented as an extract from the work of a Jesuit historian. In 1760, also, he was joint author with Richard Jackson of a notably influential argument for the retention of Canada, The interest of great Britain considered with regard to her colonies; to which was appended his Observations concerning the Increase of mankind, Peopling of countries, etc. In the intervals of business, he sat for his portrait, attended the theatre, played upon the harmonica, experimented with electricity and heat, made a tour of the Low Countries, visited the principal cities of England and Scotland, received honorary degrees from the universities, and enjoyed the society of Collinson, Priestley, Price, Hume, Adam Smith, Robertson, and Kames. He returned to America in the latter part of 1762. In 1763 he made a 1600-mile tour of the northern provinces to inspect the post-offices. In the following year he was again in the thick of Pennsylvania politics, working with the party in the Assembly which sought to have the proprietary government of the province replaced by a royal charter. In support of this movement he published in 1764 his Cool thoughts