This work by Sallust is a historical account focusing on two significant events in Roman history: Catiline's Conspiracy and the Jugurthine War. The narrative delves into the political machinations and moral decay of the Roman Republic, highlighting the ambitious and treacherous plot led by Catiline to overthrow the government. It also chronicles the conflict with Jugurtha, the King of Numidia, emphasizing the corruption and incompetence within the Roman political system. Through these accounts, Sallust offers a critical examination of the decline of Roman virtues and the challenges faced by the Republic during times of internal and external strife.