Answer:Daisy and Tom Buchanan are most responsible for Gatsby's death.
Explanation:
In The Great Gatsby, Daisy and Tom Buchanan are most responsible for Gatsby's death. The true villain of the narrative, Tom employs Daisy's idea of relieving their boredom by going to town and insidiously urges Gatsby to take Daisy in his coupe, allowing Gatsby to be seen with her.