Which of the following lines from king's letter is meant to be interpreted literally?

the quicksand of racial injustice to the solid rock of human dignity.
in any nonviolent campaign there are four basic steps.
there comes a time when the cup of endurance runs over.
men are no longer willing to be plunged into an abyss of injustice.

Read this excerpt from leah missbach day's foreword to wheels of change.bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world.what is the author's purpose for including this in the foreword?

Read the excerpt from part 2 of zeitoun. zeitoun woke with the sun and crawled out of his tent. the day was bright, and as far as he could see in any direction the city was underwater. . he could only think of judgment day, of noah and forty days of rain. and yet it was so quiet, so still. nothing moved. he sat on the roof and scanned the horizon, looking for any person, any animal or machine moving. nothing. as he did his morning prayers, a helicopter broke the silence, shooting across the treetops and heading downtown. why does the author include the details of zeitoun’s morning? to suggest the hopelessness of zeitoun’s situation to illustrate the solitary existence endured by survivors to establish zeitoun’s dedication to the rituals of his faith to reveal the military’s attempts at assistance

Look up "racial violence in the early 1960's" and write information about it and find 3 sources about it