What effect did the Wave have on the relationship between david and laurie

Laurie begins to get pretty creeped out with David's involvement with the teacher's (I forget his name) fascist simulation. Laurie becomes increasingly afraid of David's obsession and David becomes increasingly agitated, almost aggressive, as Laurie refuses to buy into the ideology.

His name is Benn Ross (Mr. Ross). You have made some amazing answers to questions that I have trouble understanding what it is asking me to answer. Thank you.