Between ideas would be the answer
The answer is: it is about evolution.
Darwin himself characterized his seminal book, <em>On the origin of the species, </em>as “one long argument”. There is still debate as to what exactly did he mean by that characterization, but it is agreed upon that he evidently was referencing his theory of evolution based on common ancestry between species and natural selection as the process of differentiation between them, which, all in all, tells a story that took millions of years, or, in more poetic terms, it summarizes a very long argument.
Answer:
D. "next they'll... have intermarriage between black and white"
Explanation:
Tom is a wildly racial and prejudiced man. He is initially found reading an antisemitic tract and agreeing with Nazis, and this quote continues his bias. He sees the "fall of civilization" as intermarriage between races.
It would be topical sense there is no clear timeline you would have to go through
