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.
Back in Rome, Caesar was elected military tribune and, his wife Cornelia having died, married Pompeia, a wealthy Optimate granddaughter of the Emperor Sulla. Rising now in prominence in Rome, Caesar had enough prestige to effectively support Gnaeus Pompeius (later known as Pompey the Great) for a generalship.