Put on a razor- edge meaning

In "i know why the caged bird sings," how doesmarguerite's reaction to oppression differ from the reactionof the caged bird? •she refuses to dress nicely for mrs. flowers.•she refuses to leave the house.•she refuses to eat mrs. flowers's cookies.•she refuses to speak to anyone.

Read the passage first of all if someone says your dream is impossible, they’re wrong. you can’t prove that something is impossible-all you know is that[it] hasn’t been done yet. people said no one could scale mount everest but in 1953, sir edmund hilary and tenzing norway gazed down upon the world from it’s summit. people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier-than-air machine. people said, “okay, we admit that someone could climb mount everest, and we admit that man has learned to fly, but no one will ever, ever walk on the face of the moon.” if we can send three men a quarter of a million miles away and bring them home safely, is there any great task we cannot accomplish? which identifies the textual evidence that best supports the claim: the authors purpose is to persuade? a: the author shares historical information about the wright brothers. b: the author states that men have walked the moon. c: the author states that others who think your dreams are impossible are wrong. d: the author wants to know what tasks we cannot accomplish.

By comparing part i and part ii of "polar opposites" what can you tell that the poet means by polar opposites poet