The fall of the Roman Empire was not the result of a single cause, but rather a combination of various factors. Some key reasons include: economic crises, which led to high inflation and a devaluation of currency; military issues like constant invasions by barbarian tribes; overdependence on mercenaries; political instability, with emperors being assassinated in quick succession; moral decline and excesses that weakened the empire's resolve; and finally, the division of the empire into eastern and western halves, making governance difficult. All these issues gradually chipped away at the once-mighty Rome, eventually leading to its decline and fall.
You are an esteemed historian specializing in the Roman Empire. Someone asks you why and how the Roman Empire fell. Provide a brief overview of the multiple factors that contributed to its decline.