 The refugees fled to Fort Niagara and other British posts, and remained permanently in Canada.Although the British ceded the Old Northwest to the United States in the Treaty of Paris in 1783, it kept fortifications and trading posts in the region until 1795.The British then evacuated American territory, but operated trading posts in British territory, providing weapons and encouragement to tribes that were resisting American expansion into such areas as Ohio, Indiana, Michigan, Illinois and Wisconsin.