The document summarizes key events in Augustus' early military campaigns: 1) The Battle of Perusia in 41/40 BC where Octavian drove Fulvia and Lucius Antonius back to Perusia and starved them into surrender, though he spared Lucius Antonius. 2) The Treaty of Brundisium in 40 BC where war was averted through negotiations between Maecenas and Asinius Pollio that further arranged power balances. 3) Octavian's campaigns against Pompeius from 38-36 BC which established his control over the grain supply and Sicily and Sardinia.