<P> Having severed their connection with the Prussians the previous year, the British negotiated a separate peace to the Prussians--dealing with their two principal adversaries France and Spain . Britain received formal control of New France, while handing back Martinique and Guadeloupe . The British were handed all of mainland North America east of the Mississippi River . </P> <P> In the wake of Britain's territorial expansion Sir George Macartney observed that Britain now controlled "a vast Empire, on which the sun never sets". </P> <P> Despite France's losses, Choiseul was satisfied not to have been forced to hand over more territory in the Caribbean and was delighted that he had been able to maintain a French presence in Newfoundland guaranteeing continued access to the valuable fishery there . A separate peace agreement between Austria and Prussia was concluded at the Treaty of Hubertusburg on 15 February returning Central Europe to the status quo ante bellum . </P> <P> The number of casualties suffered by British forces were comparatively light, compared to the more than a million fatalities that occurred worldwide . </P>

List three factors that led to war with britain