Not sure but can you give more details
Answer:
Thoreau gave much thought to his form of rebellion.
Explanation:
This is the sentence that best expresses the main idea of the paragraph. The sentence tells us that Thoreau had thought about his ideas carefully, and that he had a well-constructed, logical justification for civil disobedience. Thoreau clearly had spent a lot of time thinking about this form of rebellion. He was not only convinced of his position but he summarized his views in his essay.
he uses foreshadowing,settings,plot,and characters to reveal the theme.
Who is this he ?
Without this we can not answer the question
The answer to this question is TRUE