Explanation:
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Answer: C
Explanation: Gandhi wanted to protest the British monopoly on salt so he told his followers to break acts nonviolently causing a satyagraha.
Answer: Hate speech
Explanation: In simple words, it refers to any abusive or threatening remarks made by one person or a group of person to some other person or group of person. These remarks are made on the basis of gender, age or race etc.
In the given case, Brad is making hate remarks on his professor on the basis of his age.
Hence from the above we can conclude that the given case is an example of hate speech.