The idea the sentence is conveying is that revolutions do not cure agitation, because the agitation that gave rise to revolution often prevents a functioning government
(A) jingoism means excessive patriotism. There are no keywords to support the idea of excessive patriotism.
(B) paranoia, which means irrational fear, does not match up with agitation
(C) restiveness connotes a sense of restlessness/difficulty to control. A restive population is one likely to rebel and have a revolution
(D) euphoria means extreme happiness. Does not match context
(E) cupidity means greed
This is far from being a good question.
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