D. That is in perfect condition is misplaced; this sentence could be misread as if someone thinks that your grandmother is in perfect condition rather than the antique dresser.
Transcendentalism was a philosophical movement that was developing by the late 1820s and '30s in the Eastern region of the United States as a protest against the general state of intellectualism and spirituality. The doctrine of the Unitarian church as taught at Harvard Divinity School was of particular concern.
"Mighty” reflects how powerful and influential the speeches were to Douglass in a way that “great” would not.
<em>Mighty</em> means possessing power or authority. These elements are not exactly part of the definition of the word <em>great</em>, which simply means large, remarkable, or predominant. With <em>mighty</em>, there is a connotation of significance and impact. Indeed, the narrator tells us that these speeches fascinated him ("unabated interest") and influenced his thinking ("they gave tongue to interesting thoughts of my own soul").
A detail is essential in a passage if it adds to the overall idea of the passage. In this passage, the overall idea is stated in the first sentence, several key human errors contributed to the spread of the Chicago fire of 1871. That means that key details in this passage will be something related to a human error. Out of all of our choices, the first one seems the most like a human error. The second, third, and fourth choices seem more like details then like essential details. That means that the answer to the question is John Dorsey sounded a general alarm during the blaze.
