After reading both of these novels, it is clear that ''Fog'' Poem written by Carl Sandburg is filled with metaphorical sense, whereas Frost in his poem "Mending Wall" omits metaphors and just uses folksy language.
Both authors lived in the same period and each one of them is considered important in contemporary literature. Regarding the poems, the correct answer is that both poems use everyday language. The poems have got conversational language, without any poetic extravaganza. Indeed, the poems have got a direct message and easy tone.
