Many theories have been proposed to explain the decline and fall of the Roman Empire.

Which of these these six theories was MOST responsible for the fall of Rome and WHY?

They include:
• Christianity’s emphasis on a spiritual kingdom weakened Roman military virtues.
• Traditional Roman values declined as non-Italians
gained prominence in the empire.
• Lead poisoning through leaden water pipes and cups
caused a mental decline in the population.
• Plague wiped out one-tenth of the population.
• Rome failed to advance technologically due to slavery.
• Rome could not create a workable political system.