Answer:
C. to explain to people the dangers of dictatorships and the loss of personal freedom
Explanation:
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"If she could have spoken her thoughts, it would have been to say that this was not what they had aimed at when they had set themselves years ago to work for the overthrow of the human race."
Only if she could have spoken her thoughts. This is a danger of a dictatorship: the lack of personal freedoms. She could not speak her own thoughts in a dictatorship because she doesn't have the right to.