Had to sing correct grammar please

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

This excerpt from mrs. dalloway reveals the state of mind of septimus warren smith, a war veteran with a outlook on the world. the last two sentences also illustrate , which is a common characteristic of modernist literature.

What does sals tendency to flinch when someone touches her suggest about her character: walk two moons