Allport held that demagogic propaganda activates latent authoritarianism into prejudice

Evidence

But would the ego weakness, insecurity, fearfulness, and inadequacy of the authoritarian personality automatically translate into prejudice? Here Allport suggested that certain activating conditions might be important, and the one that he singled out in particular was exposure to racist, ethnocentric, and fascist demagogy. — , Rudman, Laurie A - On the Nature of…, 2433