For several different reasons. The number one being that legions were only loyal to their commanders, not specifically to the empire. As a result, a powerful military commander decided to become emperor, while one was still in power and civil war ensued. Rome endured a period of about a century where the average reign of an emperor was two years long, because of such quick turn over. Every time there was a change of power, there was civil war.
Power.
The increasing power of Rome's military leaders led to a series of civil wars among them. This culminated in Julius Caesar's rise to power.
The increasing power of Rome's military leaders led to a series of civil wars among them. This culminated in Julius Caesar's rise to power.
You have to be more specific. Ancient Rome was loaded with civil wars. Which civil war do you mean?
The increasing power of Rome's military leaders led to a series of civil wars among them. This culminated in Julius Caesar's rise to power.
Over who should become ruler of Rome next.
They were not civil wars - they were wars between rivals for control of the Western Mediterranean, which Rome won and moved on into the Eastern Mediterranean.
Power. Who should be the next ruler of Rome.
Civil wars occurred in Rome during the first century because of growing ambitions of the leaders, who commanded their own armies, soon led to another civil war.
Series of Civil Wars
Augustus took power by being the final victor of the last civil wars of the Roman Republic. The final civil war was a struggle between him and Marc Antony over who would become the sole ruler of Rome and her territories
Three wars over 120 years between Rome and Carthage.