Knowledge of social psychology, what factors lead to the development of prejudice and discrimination

Knowledge of social psychology, what factors lead to the development of prejudice and discrimination

Based on your knowledge of social psychology, what factors lead to the development of prejudice and discrimination? Do we see these more as racial, religious, gender, or sexual orientation issues? In your opinion, what, if anything could be done to address these issues? Support your answers with at least 3 research articles.