If you could help with this that would be cool

In this unit we learned about arguments and rhetoric. in an argument we use ,not informal language

In 12 angry men the jurors decide that the women could see as far as she could

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?