What convinces Nick that Gatsby might be telling the truth about his background? A: He shows Nick a business card with his real name on it B: Gatsby introduces Nick to the police commissioner C: Gatsby shows Nick a medal from Montenegro D: Gatsby shows Nick a photo of himself at Yale

C. Gatsby shows Nick a medal from Montenegro

Explanation:

Nick went for a lunch with Gatsby wherein the latter recounts his story on drive, which is hard for Nick to believe.

To substantiate his narration and to take Nick into confidence, Gatsby hands over to Nick, various articles such as his old university days photograph, the medal he won at Montenegro.

The latter i.e the medal convinces Nick that Gatsby might have told the truth about his background, in the story he just narrated.

someone i feel is a leader in my life id have to say would be my mother because she has give me great advice in life and got me out of tough situations. some characteristics she has are creativity, honesty, commitment, respect for others, and communication. one example of a situation when she demonstrated leadership was when i was working late on homework and i started to get stressed and got upset, she asked me if i needed some , and she me with my work. she demonstrated communication and commitment.

i don't know if this is exactly what your looking for but i hope this !