<span>The schools were racially segregated, which led to a lower quality of education for some students in Topeka.</span>
Yes it is a metaphor because he does not literally have a key to her heart. It is just figurative speaking.
the basics of how life worked.
I’m guessing C since the first excerpt is like a list of the regulations and the second excerpt mentions the “panic” of the regulations and the quarantine measures put in place hope this helps :)