Robert frost is saying that when the reader first reads the poem in he beginning it should be playful and make the reader interested and grasp the topic, but by the end the poem should bring wisdom or a lesson. By the end of the poem the reader should have taken something out of the poem and learned something from it.
Is this a homework question you need help with?
I'm assuming that the underlined word is answer and i think its transitive. but i'm not completely sure.
The Ewells Family is rude, proud, and uneducated. You could tell by the way Burris Ewell had reacted to the teacher. They were people but they lived like animals.