What is most closely a central idea of Reagan’s address about the Space Shuttle Challenger?

People brave enough to explore new territory face great risks.

Losing the Challenger was an effect of taking the space program for granted.

An event as tragic as this makes one call into question whether to continue on with these explorations.

The nation cannot let grief hold itself back from carrying on with people’s regular routines.

Which piece of evidence would best support reason #1? othe history of using animals for research extends asfar back as 322 bce, when early greek physician-scientists, such as aristotle and erasistratus,performed various experiments on living animals.animal research played an essential role in thedevelopment of herceptin and tamoxifen, twomedications that have already saved the lives ofthousands of women who have been diagnosed withbreast cancer.even those who believe in testing on animals when it is hnecessary for vital medical research practice what isknown as "the 3 rs-reduction, refinement, andreplacement to reduce the number of animals usedfor testing.biologists believe that chimpanzees share at least 98.4percent of the same dna as humans and gorillas shareat least 97 percent, making primates a popular andlikely choice for the testing of products intended for humans

And his eyes have all the seeming of a demons that is dreaming which of these poetic devices is used here?

It's to know your purpose before you read something because a purpose can: