Tie-in is basically meaning to elaborate or give information to the prompt
1. What does the gate symbolize in the novel?
D. It symbolizes openings into new worlds. - a gate represents new beginnings
2. In the novel, which object of nature serves as a metaphor for Janie?
I'm not sure about this one, but I'd pick B. the pear tree, because it represents <span>Janie’s idealized views of nature.</span>
it is just as real moral and intellectual power of the world is excluded from any voice of vote in civial government