Answer:
B. He wants to communicate directly with readers.
Step-by-step explanation:
He wanted the readers to have a way of knowing that he cares for them and that he is in gratitude with them.
His poems usually talked about transcendentalism and/or philosophy and he always found a way of including both movements in his poems, so he talking directly to the readers meant that he wanted to let the readers know the he loves what he does.