What does it mean to have multiple audiences? Why might that be a challenge for a writer?

In the following line, "so many crazed men, so much shouting, so much brutality, " what type of rhetorical feature is wiesel using to emphasize the image?

How did the language of the gettysburg address differ from the language in the secondary source about this speech?

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