What does it mean there's more than one way to cross a bridge

Why might the author have included the detail about father paul picking up the magazine? 1. it illustrates the constant conflict father paul faces in trying to communicate with leon.2. it establishes father paul as a well-read intellectual.3. it suggests that similar missionary work was causing conflict in other places as well.4. it shows that he was trying to remind himself that he did not agree with the people’s beliefs.(it's 3 )

Which of the following best explains why the author chose the compare-and-contrast structure for paragraph 2

Iam trying to  get  a call through to san francisco. (send, put)