Final answer:
The Fall of Rome was caused by internal and external factors, including political instability, economic decline, and barbarian invasions.
Step-by-step explanation:
The primary reason for the Fall of Rome was a combination of internal and external factors. Internally, Rome faced political instability, corruption, and economic decline. Externally, barbarian invasions and the weakening of the Roman military contributed to the collapse. The fall of the Roman Empire marked the end of the ancient world and the beginning of the Middle Ages.
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