Which best identifies a subplot in Julius Caesar and explains its significance? Question 20 options: Brutus and Cassius argue over bribes; it explains why Brutus is unwilling to trust Cassius, and why he insists upon marching to Philippi. Brutus and Portia argue over the best way to kill Caesar; it shows that the roles for women in Roman society were quite limited. Cassius argues with Brutus over the best military strategy; it demonstrates why Cassius would be a better leader than Brutus. Antony states that Brutus was Rome's most noble man; it shows that Antony is a man of ambition who is no more fit to rule than Cassius or Caesar.