This letter was carried by Robert Penn, but both he and this document were never seen by its intended recipient.  
This document spoke of a union that "produced benefits so remarkably important…that the wonder and envy of other Nations were excited," but which had been hurt by "domestic dangers" that seemed "to be injurious to the commerce and prosperity of" this document's receiving country.  It was drafted seven years after the last of its author's Letters from a Pennsylvania Farmer.  This letter was carried by Robert Penn, but both he and this document were never seen by its intended recipient.  For 10 points, name this document called for by John Dickinson and intended for George III, a document adopted by the Second Continental Congress that asked for peace with Great Britain at the beginning of the Revolutionary War.
This document spoke of a union that "produced benefits so remarkably important…that the wonder and envy of other Nations were excited," but which had been hurt by "domestic dangers" that seemed "to be injurious to the commerce and prosperity of" this document's receiving country.  
{Olive Branch} Petition