Answer:
To show the difference in their characters that exists between them.
Explanation:
Fitzgerald used these two scenes to show the difference between them. Nick tells Jordon that he should to be more careful while driving a car or he should not drive the car at all because he drives carelessly. The Jordan responded that she is safe because other drivers are careful. Jay Gatsby lies to Nick about his past and he gets pulled over by a policeman for its high speeding. When Jay pulls over, he waves a white card to the policeman and the policeman apologizes for pulling him over so he continues his driving.