How does the poem’s use of language and free verse contribute to the author’s purpose in 'mother to son'

The use of language and free verse create a conversational tone.

The conversational nature of the poem adds to the author's purpose, which is a mother telling her son that life isn't always easy. Life may not always be easy but it's necessary to carry on and endure.

Thanks to the conversational, natural tone of the poem, we can easily imagine a mother giving advice to her son.