Negative thoughts or opinions about a group of people is
c) Prejudice.
Prejudice simply refers to the negative thoughts and feelings that a person might entertain about a group of people. These types of thoughts are highly discouraged because they foster disunity.
They could even lead to worse consequences when such feelings are allowed to fester over time. Prejudice leads to bias and injustice. This attitude is not good for a progressive society.
Learn more about prejudice here:
https://brainly.com/question/25189630
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