For 10 points, name these conflicts that pitted armies of an ancient Italian republic against each other.
One of these conflicts was ended by the Battle of Munda. Sulla fought two of these conflicts against Gaius Marius, and the Battle of Actium decided another of these wars for Octavian. One of these wars took place after a campaign in (*) Gaul; that one, against Pompey, began with the crossing of the Rubicon by Julius Caesar. For 10 points, name these conflicts that pitted armies of an ancient Italian republic against each other.
One of these conflicts was ended by the Battle of Munda. Sulla fought two of these conflicts against Gaius Marius, and the Battle of Actium decided another of these wars for Octavian.
Roman Civil wars (accept word forms like Civil wars in Rome or in the Roman Republic; prompt on partial answers like "civil wars" or "Roman wars;" do not accept mentions of the Roman Empire)