Can someone please help me I really need to get my grade up !!

Plz change it i can not change this sentences .

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?

Give two details about the social and economic climate of the 1930s. were these details noted in to kill a mockingbird