What is the main symbol in The Rat Trap by Selma Lagerlof

Plzz me between what two words does the ellipses appear in the following sentence? "the his breakfast." "the" and "cat" "cat" and "ate" "ate" and "his" "his" and "breakfast"

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?

Which important event occurred during the industrial and scientific revolutions