What Led to Major Public Service Reforms and Canada's First

What led to major public service reforms and Canada's first policy of representative bureaucracy?

A) Comparatively few persons with disabilities were found in senior levels of federal bureaucracy.
B) Comparatively few Indigenous persons were found in senior levels of federal bureaucracy.
C) Comparatively few women were found in senior levels of federal bureaucracy.
D) Comparatively few French Canadians were found in senior levels of federal bureaucracy.
E) Comparatively few visible minorities were found in senior levels of federal bureaucracy.