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 Assembly forced the Senate to give Pompey command against the Mithridates who had again conquered Asia Minor and Greece, both important parts of Rome's empire. Pompey not only defeated the Mithridates, but brought all of the Middle East to the Euphrates River under Roman control or alliance. While Pompey was away, a rebellion, led by a man named Catiline, plunged Rome into civil war.