I believe the correct answer is that it begins with broad statements and ends with more specific ones.
In the beginning, the speaker is just presenting the general idea of the Declaration of Independence and asking certain questions. However, through those questions, he is finding appropriate answers and concluding specific ideas that he wanted to share with his audience.
Because of its rapacious appetite, the shark is often considered to be more of an eating machine than a living creature
The answers to the question above would be the following ones:
A) The rhetorical device used here is repetition. President John F. Kennedy has chosen to repeat the same structures over and over again. We choose to go to the moon. We choose to go to the moon in this decade (...) not because they are easy, but because they are hard, because that goal will serve (...)".
B) The rhetorical device used here is satire. Satire is the use of humour, exaggeration, or ridicule to expose and criticize people's stupidity, particularly in the context of politics.
C) The rhetorical device used here is rhetorical question. Rhetorical questions are asked in order to make a statement. They do not expect any answer. Douglass believes that the wrongfulness of slavery is an issue that he expects everyone to be concerned with.
Wait what is this from an article/text/book etc?