An internal conflict Julius Caesar had was ambition. His ambition was partly why he was killed. In the novel it stated "Caesar: Calpurnia how foolish your fears seem now ! I am ashamed i gave into them. Give me my robe for I will go. " If Caesar had stayed home he wouldve lived. But his ambition took over his common sense so he went and got murdered.
Mark Antony has an external conflict and it shows. When Julius Caesar was murdered he gave a speech that revealed his true feelings. In the text it stated "Here is himself, stabbed, as you see by traitors. " He thinks that Brutus is a traitor because he killed someone he loved.
Mark Antony was so damaged that he made a plan to destroy Brutus. In the novel it said " Antony, Octavious, and Lepidus make a plan to destroy Brutus and Cassius " His conflict lead to more external conflicts.