sentences:  In 1739, trade disputes between Britain and Spain led to the War of Jenkins' Ear, followed by the wider European conflict known as the War of the Austrian Succession in 1740.French defeat at Dettingen in June 1743 prompted efforts by Louis XV to divert British resources from mainland Europe, including an invasion of England in early 1744 to restore the Stuarts.In anticipation of this, James gave Elcho a commission as Colonel of dragoons but the French fleet was severely damaged by winter storms in March and the plan abandoned.