Prejudices, disinformation, populism, and crowd psychology.

This thesis examines how prejudices, disinformation, populism, and crowd psychology are connected. It looks at how these things affect society and the stability of a democratic state. The work uses ideas of psychologists like C. G. Jung, S. Freud, and G. W. Allport. It also includes sociological views on stereotypes, projection, and conformity, as well as historical examples of how prejudices grow worse (for example, Nazism or segregation in the USA). The thesis shows how these factors increase division in society. Special attention is given to Allport's scale of five levels of prejudice - from verbal attacks, through avoidance and discrimination, to physical violence and crimes against humanity. It also discusses the role of disinformation campaigns in today's media world. The method combines psychology, sociology, and law with examples from Czech reality (such as the segregation of Roma people) and International Criminal Court. The main findings show that prejudices are not just personal opinions. They are group mechanisms that populism uses to control emotions and weaken trust in institutions. This leads to harmful social behavior, like discrimination or violence. The thesis stresses the need for prevention through education in critical thinking and control of disinformation. It adds to the discussion...