Something one sets out to accomplish in the long term
Animals are like humans<span> too, in the way that they have emotions and are able to feel pain when hurt is inflicted upon them. Therefore, we </span>human<span> beings should not be selfish and we should treat our counterparts with equal respect as they deserve.</span>
It might mean the destruction of a planet or of natural ecosystems.
The answer is B.
Tone is described as an overall feeling or attitude of a piece of writing. The feeling of isolation is repeated throughout the excerpt when it starts with the "lonesome hill" and is continued with "I walk in loneliness". Therefore your answer is that the passage has an isolated and sad tone.