Read the excerpt from abraham lincoln’s gettysburg address. four score and seven years ago, our fathers brought forth upon this continent a new nation: conceived in liberty, and dedicated to the proposition that all men are created equal. now we are engaged in a great civil war. .testing whether that nation, or any nation so conceived and so dedicated. . can long endure. what is lincoln’s purpose in the excerpt? to recall the names of famous national leaders to suggest the need for a new government to emphasize the nation’s beliefs and ideals to demand an end to the civil war

Read the quote from zimmermann in the code book. a future government could inherit a technology infrastructure that's optimized for surveillance, where they can watch the movements of their political opposition, every financial transaction, every communication, every bit of e-mail, every phone call. everything could be filtered and scanned and automatically recognized by voice recognition technology and transcribed. it's time for cryptography to step out of the shadows of spies and the military, and step into the sunshine and be embraced by the rest of us. which question does this paragraph answer? why does zimmermann think encryption is important? what kind of encryption did zimmermann invent? how does zimmermann’s encryption work? who made encryption based on zimmermann’s work?