According to the class structure at that time, who is the “true gentleman” in this play

In the following conversation, which group discussion technique does emily most clearly show?

How can you avoid the problem of groupthink? a. by choosing a group leader to direct the group b. by composing the team of only like-minded individuals c. by encouraging all members to voice their opinions d. by keeping quiet when you disagree with another group member's opinion

The significant structural shift that happens between chapters 21 and 22 is