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.
Caesar was a strong leader and a genius at military strategy. He was consul for one year then, appointed himself governor of Gaul. (Background of how Caesar became dictator: Pompey and the senate fearing Caesar's ambitions, ordered him to disband his legions and return home. Caesar refused defeated all Pompey's armies and was supported by all army's and masses in Rome.) The senate appointed him dictator for life.