Complex sentence: Protestant missionaries also opened residential schools in the current Ontario region, spreading Christianity and working to encourage Indigenous peoples to adopt subsistence agriculture as a way to ensure they would not return to their original, nomadic ways of life upon graduation.
Split into simpler sentences: Protestant missionaries also opened residential schools in the current Ontario region, spreading Christianity and working to encourage Indigenous peoples tx. Tick kOct go adopt subsistence agriculture as a way to ensure they would not return to their original, nomadic ways of life upon graduation.