 Complete the following phrase:  After spending 11 months in Newport, Rhode Island, in total inaction, the men under Rochambeau began a march on 12 June 1781, to link up with Washingtons army at Philipsburg on the Hudson. On 15 August, von Fersen was tasked with conveying a letter from Rochambeau to Comte de Barras, who had been waiting for a signal to join Comte de Grasses fleet at the Chesapeake Bay. Word reached the troops in early September of 