Option C is an important conclusion Henry David Thoreau draws at the end of "Resistance to Civil Government." That the American government does not truly promote democracy.
Henry David Thoreau was an American essayist, poet, philosopher, abolitionist, naturalist, tax resister, development critic, surveyor, yogi, as well as historian. His books, articles, essays, journals, and poetry amount to more than 20 volumes.
In the pivotal case of Plessy v. Ferguson in 1896 the U.S. supreme court ruled that racially separate facilities, if equal, did not violate the Constitution. segreation, the court said, was not discrimination.
3. Appositive would be the answer
The detail that provides the most cultural context from the excerpt about the Cold War is the following: <em>There was also a sense of urgency. The Pentagon was worried that the shattered remains of the Soviet Union might be rebuilt before the United States. </em>That phrase gives the most cultural context reference about the Cold War as there was a constant tension between both powers. There were plenty of different possible scenarios in which either of them would win over the other one, including a possible nuclear war. The sensation of uncertainty was reigning through the Cold War era.
This excerpt belongs to the book called "Visions: how Science will revolutionize the 21st Century" written by American theoretical physicist Michio Kaku and first published in 1997.