What does Douglass claim in 3 section

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed

Maria is writing a persuasive essay for her english class. she asks marshall if it is important to use rhetorical appeals in her essay.which reasons could marshall give in favor of using rhetorical appeals

How does the passage above relect the typical plot that appears in travel narratives?