Speed equals difference divided by

Exit in which of the following passages from the text is the author's motif of displacement and separation most evident? a. "in these ways it was a typical wartime departure, full of proud smiles and half-concealed worry." b. "it upheld the army's decision to limit the movements of a racially select group of citizens." c. "once the first year's turmoil cooled down, the authorities started letting us outside…" d. "if anything made that country habitable it was the mountains themselves…"

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

3. what is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas