Until the 1970s, What Was the Only Serious Representational Factor

Until the 1970s, what was the only serious representational factor taken into account in public service recruitment and promotion?

A) Ensuring adequate visible minority representation in the management ranks of the bureaucracy
B) Ensuring adequate representation of disabled people in the management ranks of the bureaucracy
C) Ensuring adequate female representation in the management ranks of the bureaucracy
D) Ensuring adequate Indigenous representation in the management ranks of the bureaucracy
E) Ensuring adequate francophone representation in the management ranks of the bureaucracy