I guess it depends. I think it's false, because that seems too long for a sentence.
Nothing. Their duty is to guard the tomb and there should be no reason at all to when they stop. When changing guards maybe but someone is still there watching.
Explanation:
The Struggle for Freedom, a narrative of the black experience in America, uses a distinctive biographical approach to guide the story and animate the history. In each chapter, individual African Americans are the pivot points on which historical changes of the era turn.