is there juxtaposition in this sentence: When they looked up, I watched their faces go from surprise to anger, then outright fury. if there is what is it

While in prison, malcolm's introduction to the elijah muhammad's teachings forces him to reflect on his own past experiences. why do those experiences persuade him to join the nation of islam? what, in malcolm's experiences, draws him to an activism more militant than the nonviolent activism of martin luther king jr?