The fall of the Roman Empire can be attributed to a combination of civil wars, migrations, and the inability to maintain military strength beyond its borders.

The traditional view attributes the fall of the Roman Empire to barbarian invasions, but other factors like climate change and disease also played significant roles.

Moral decline is often cited as a reason for the fall of the Roman Empire, but this explanation lacks strong evidence.

The decline of the Roman Republic was marked by internal political rivalries that escalated after the Punic Wars, leading to a breakdown of elite consensus and increased civil strife.

The Western Roman Empire's decline in the 5th century was gradual, lacking a single defining moment of collapse.

The Roman Empire's vast size made effective governance challenging, leading to slow communication and a natural fragmentation of power.

The Roman Empire's succession problem was a significant failure of Augustus, who relied on heredity for leadership, leading to a series of incompetent rulers until a shift towards selecting qualified successors emerged.

Economic inequality in the late Roman Republic led to social stress, as small landholders were pushed out by wealthy elites, affecting military recruitment and societal stability.

The loss of a unifying enemy like Carthage contributed to the breakdown of political cohesion in Rome, allowing for civil wars and the rise of personalist armies.