what kind of generalized statment for an editorial would i start if i was writing from a perspective of an government official at the time of residential schhols felt that assimilation was the best policy fpor the future of canada

I assume you're talking about the residential schools for Native peoples.

Brain storm this question. Why do you think government officials believed it was necessary to tear kids from their families in order to assimilate them into the dominant culture? Many of these schools punished the pupils for speaking their native languages.