Since 1975, Canadian opposition to immigration has fluctuated with the country's unemployment rate. This opposition exemplifies A. discrimination. B. social dominance orientation. C. realistic group conflict theory. D. ingroup bias.

C. realistic group conflict theory.

Explanation:

This theory explains how attitudes & behaviours of in-group members towards the out-group will reflect the objective interests of in-group.

Absence of conflict = harmony

Conflict present = hostility & antagonism.

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answer; theory of mind;