What is the author's purpose (to persuade, entertain, inform) explain in one sentence why that's the author's. A section in a history book describing the conditions and causes of the Great Depression in the Midwest in the 1930s

In a speech to high school students, a business owner makes the following statement short response

How you think your hometown would look without electricity? explain in one paragraph

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?