Answer:
Repetition, connotation, metaphor, personification
Explanation:
"Now is the time" is repeated.
The author uses words with negative connotations to describe how horrible segregation is.
"quicksands of racial injustice" is a metaphor.
"promises of democracy" personifies democracy.
Answer:
The author means that when people with power attempt to be fair they will be torn between two groups the people (critics) who feel that their choice is incorrect and the ones who feel that it is correct due to the situation. So kind of like the subject of bringing beheading back in the US many feel it is a horrible idea but many also feel it is correct. And for the second one, I am not sure because I have not read your article only the seventh paragraph.
Answer:
To let the reader know it was a cold day.