The answer to this problem is the letter D which is referring to "ending the legal status of slavery". It was Randolph in the year 1963 who never stopped and who is the constant critic of discriminators against black. It was then realized the contributions of black workers in the economy and drew riot by black.
Answer: Niche
Explanation: A synonym for niche is calling. It is his calling for him to be a writer. Hope this helps !
The Sunrise is Imminent.
I would not want to put you in a Precarious Situation.
The day will fly by and soon enough the sun will set, bringing tranquility and relaxation after a long day.