Political map of North America & the Caribbean 12 April 1885 (North-West Rebellion): In the Canadian northwest, tensions between the mixed ancestry Métis and the encroaching government led to a rebellion (North-West Rebellion) under Louis Riel in Saskatchewan district. The rebels initial successes encouraged the neighboring Cree to join the revolt, but government forces ultimately prevailed and Riel, who had also led the 1869 Red River Rebellion, was tried and executed (Trial of Louis Riel).