One example of a allusion in macbeth act 1: scene 1-3

Urgent i need this one ! which best explains how the viewpoint in the greenberg interview differed from that in the informational text on thurgood marshall. a. the informational article provides an insider's view of the brown vs board of education case; the perspective of the greenberg interview is more distant.

Which words most the reader understand the meaning of usurpers

Which is not among the style choices a writer would use, if he or she is trying to establish a formal writing style/