Why do I keep getting notifications but nothing's there

The travels of marco polo.what is the author’s purpose for writing this text?

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

In at least one hundred words discuss how tradition vs change is a theme in things fall apart