What Was the Major Shift in the 1980s Regarding Definitions

What was the major shift in the 1980s regarding definitions and policies regarding disability in Canada?

A) Traditional views of disability as an individual problem were gradually replaced by a social model that emphasized how society has excluded people with impairments.
B) Oppression faced by Canadians with disabilities became systematically embedded in social institutions and culture.
C) The income gap between people with and people without disabilities decreased.
D) The income gap between people with and people without disabilities increased.
E) The government enacted policies that would provide income support to retirees.