What do “tepeyac” and “marian anderson: famous concert singer” have in common?

Read the excerpt from “the railroad earth.” o well anyway i'll be learning eventually to like the railroad and sherman will like me some day, and anyway another day another dollar. the narrator of this excerpt can best be described as friendly.optimistic.wealthy.intelligent.

Read this sentence from the story of my life by helen keller. the most important day i remember in all my life is the one on which my teacher, anne mansfield sullivan, came to me. which element of plot does this sentence best represent?

Laugh and be merry, remember, better the world with a song,    better the world with a blow in the teeth of a wrong.    laugh, for the time is brief, a thread the length of a span.    laugh and be proud to belong to the old proud pageant of man. (laugh and be merry/john masefield/public domain) which of these is the main idea of the poem?