How did thoreau's "civil disobedience" pave the way for significant events later in history?

Need the answer asap! read the sentence from the declaration of independence. which idea does this sentence best to develop ? that whenever any form of government becomes destructive of those ends, it is the right of the people to alter or abolish it, and to institute new government a) governments ultimately have the power to determine what rights the people have. b) revolting against the government should not be taken lightly. c) the colonists should seperate from great britain and create their own government. d) it is self evident that people have inalienable rights

In the communication breakdown section, michael b. green learned that "a red rag" or a had nothing to do with the internal makeup of the person who was wearing it.

What is the message? how does langston hughes convey the message in this poem?