Totalitarian Propaganda can controlled well educated people by conveying the regimes beliefs, almost forcing it down their subjects throats.
So when it works it usually shows an "Evil" or "Enemy" of the state, and obviously without proper methods of evaluating the truth decent people will believe it for example look at the DPRK or Iran.
In the past and a long time ago. I hope it helps
That passage is an example of A.Generalization
Answer:
their
Explanation:
its their classmates not they are classmates XD