 Later in the year, Washington again suffered a serious bout of dysentery; he was bedridden for much of the winter of 1757–58, and even suggested to the Virginia Burgesses that he be replaced since he could not properly do his duty as colonel of the regiment.The failures of British military policy in 1757 led to a change of government in London, with William Pitt coming firmly into control of Britain's global war effort.Pitt decided to focus a large number of resources on the war in North America, and three major expeditions were planned.