How many speeches did Cicero deliver against Catiline to sway Rome's opinions on the conspiracy?

Cicero delivered a series of speeches known as the "Catilinarian Orations," which were specifically aimed at addressing the conspiracy led by Lucius Sergius Catilina, commonly known as Catiline. These speeches were critical in rallying public support against Catiline's conspiratorial plans to overthrow the Roman Republic.

In total, Cicero gave four speeches: the first was delivered in the Senate, directly exposing Catiline and his intentions, while the subsequent speeches were aimed at reinforcing his arguments and swaying public opinion. This series effectively helped to galvanize the Senate and the populace to take action against the conspiracy, showcasing Cicero's rhetorical skill and his role as a defender of the Republic.

The number of speeches underscores the severity of the situation Cicero faced and the urgency he felt to thwart Catiline's threats, making the correct answer four speeches.