Cassius already dislikes Caesar since he is tyrant but Caesar knows that Cassius wants Caesar to fear him. Caesar knows that he will only please Cassius if he gives int fear, so Caesar has a fearless towards Cassius. <span />
Appeal to emotion. He's trying to manipulate people's emotions by saying things like ""deserves the love and thanks" which is very positive. Who wouldn't want to be loved and thanked by others? I think he's trying to say that if you fight, you will be honored.
Appeal to ethics is when the writer tries to convince the reader that he is knowledgeable about the subject like if he said, "As a doctor...." But he doesn't refer to himself in this passage.
Appeal to logic would be using facts, reasoning, evidence, and stuff, but I don't see a lot of facts here.
Appeal to authority would be him saying that because another person said something, it must be true. But he doesn't refer to anyone else here.
Answer:
A your work and the work of others
Because copper is expensive and there are better alternatives