A final factor in setting the right tone is to determine the purpose of the essay. An author's purpose is the reason for writing. There are three main types of author's purpose: to persuade, to inform or to entertain. If you are trying to convince your reader to believe or to do something, then you are persuading.
Caesar ignored them and at the Battle of Munda, defeated Pompey. There were many civil wars during Rome in the first century B.C., as many high-ranking patricians such as consuls fought to be more powerful than each other.
the political alliance of Caesar, Crassus, and Pompey, formed in 60 bc (First Triumvirate) the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc (Second Triumvirate)