YOU SUB TO ME I SUB TO YOU

Which two sentences in this excerpt from theodore dreiser my brother paul are examples of characterization that suggest paul is a superstitious person?

The date of a business letter is included in the greeting. heading. inside address. margin.

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