Final answer:
The conflict in 'President Cleveland, Where Are You?' involves Jerry's struggle between personal desires and familial obligation, emphasizing his moral dilemma over a trading card.
Step-by-step explanation:
The effect of the conflict in the story "President Cleveland, Where Are You?" is d. It highlights Jerry's struggle choosing between helping himself or helping his brother. Jerry faces a moral dilemma when he finds the coveted President Cleveland trading card. While he wants to keep it for his collection, he also has the opportunity to sell it to support his family, specifically to help his brother get the braces he needs. This internal struggle is the central conflict of the story, providing tension and character development.