What is the main idea of this excerpt?
Mad cow disease ended because of government bans
on feeding cows certain foods, but people were angry
that governments did not act sooner.
Mad cow disease was originally caused when
governments allowed for cows' food sources to be
contaminated, so people were angry at their leaders.
Both farmers and customers had been aware of mad
cow disease, but they did not think their governments
should have done anything to stop it.
Both farmers and customers protested to prevent their
governments from interfering with the farming and
selling of cows and meat.

How can you tell that the text is from a biography

Read the excerpt from "annabel lee," by edgar allan poe. and this was the reason that, long ago, in this kingdom by the sea, a wind blew out of a cloud, chilling my beautiful annabel lee; so that her highborn kinsmen came and bore her away from me, to shut her up in a sepulchre in this kingdom by the sea. how does the rhythm of the excerpt support the theme of the poem? the rhythm changes on the phrase “a kingdom by the sea,” emphasizing poe’s distrust of a monarchy. the rhythm changes on the phrase “bore her away from me,” emphasizing poe’s desire to be reunited the rhythm changes on the words “chilling” and “sepulchre,” emphasizing poe’s complaint about unexpected death. the rhythm changes on the words “lee” and “me,” emphasizing poe’s fear that his bond with his love is fragile.

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?