Well we can look at this question and eliminate Rhetorical Question due to the fact the excerpt above isn't asking anything. We can also eliminate an allusion because this is not an allusion it is a dream. We can then eliminate Logo's because it is a Greek word meaning logic. Pathos makes no sense because there is not pity or sadness involved. So the only option left is A)Ethos. I hope this helps
King using the phrase "flight's ground crew" refers to the people who have sacrificed a lot to make the freedom movement take flight. They are the people who have given their all but are not recognized for their sacrifices.
The meaning of the phrase "thou art wedded to calamity" is that you often have disaster around you.
Calamity means disaster.