It was more affective than a violent approach because it showed that the people enforcing the anti people laws were violent and irrational with their violence
<span>Keely experiences feelings of revulsion at the thought of watching footage from the Nazi's death camps. Freud would attribute these feelings to Keely's superego.
According to Freud, super-ego deals with moral issues that a person may have - so it helps us form appropriate opinions about what is right and what is wrong. Keely understands that the Holocaust is a bad thing, and naturally he feels disgusted by it.
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