The correct answer is Ned Land, as was seen in the book 20,000 leagues under the sea by Jules Verne.
In grammatical sense, the word Prosperity is capitalized due to its use, among the other sentence or the supporting data, the word must have the same form and grammar as the first to make it as one of them to support the subject given by the sentence. I hope you are satisfied with my answer an feel free to ask for more
After reading the passage, I've been battling between answers A. and C. I have decided that the best choice would be A, since the passage clearly states that it is up to the people to protect their rights. Hope this helps! ^_^