Freud and psychoanalysis claims can be sexist because they believe in the concept of penis envy.
Not all of them are correct but one which is "enhance the clarity of a speaker's ideas".
Visual aid is an instructional gadget, for example, a graph, guide, or model that interests essentially to vision; particularly an instructive movie or filmstrip etc. but they still need explanation from the speaker but help his speech in creating clarity for the audience.
I don't know your options, but here is a list of some of the things that they preyed upon:
-antisemitism and racism, fear of foreigners and of others: Antisemitism and the other related ideas were already present in the society, but they used it to their advantage - they blamed the others
-weak economy - before their rise to power, there was en economic crisis and such crises make people more vulnerable to propaganda
The correct answer is d. ethnocentrism
Ethnocentrism refers to the phenomenon whereby individuals are positively biased towards their own culture or group, and regard it as more superior to other cultures and groups. Additionally, ethnocentrism involves evaluating other cultures solely by the values and norms of one's own culture.