The enlightenment idea of separation of powers led to many things, but one of the most significant was the three branches of government in the United States.
<span>Henry David Thoreau believes p</span>eople's first obligation is to do what they believe is right and not to follow the law dictated by the majority.
The best answer here is choice B. We can determine this because of the tense used throughout the passage itself. Bearing this in mind, choice B matches the tense perfectly.
Choice A does not work at all because the verb "am" makes no sense in the context of the sentence. The same is true for choice C. The passage is not in present tense, so it cannot be this choice. Choice D could make sense, except that this is in the future tense versus the past tense.