A ballad is A. a poem written to be sung at royal events. B. any poem written in quatrains and having a set rhyme scheme. C. a s
ong without any known author that emerged from the population. D. an epic style that originated in the northern part of England and spread southward along trade routes.
I'd say the answer is 'the visible is more dangerous than the invisible', because Duncan never suspected that his faithful Macbeth would be the one to kill him.
