Why is neels grandfathers book important

Which is the best example of manipulating an audience through media? a. playing sinister music while interviewing a celebrity b. criticizing a professional athlete without providing reasons c. starting a web form for a discussion about a new app d. filing a complaint against a company for its bad service

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

Why did the author of "how to jump-start a car battery" choose to use this image?