I would have to go with the first and last option, because they are the only ones that make sense to me.
Answer:
Based on https://thewandererliteraryjournal.wordpress.com/2015/12/11/thoreau-on-nature-in-walden/ it states
"In his writings he suggests that all living things have rights that humans should recognize, implying that we have a responsibility to respect and care for nature rather than destroying it."
Hope this helped you.
Why do you want someone else to write it for you?
I think its a Heading..........
