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FOCUS QUESTION What explains the chaos of the third century C.E.?
The prosperity and political stability of the second century gave way to a period of domestic upheaval and foreign invasion. The third century saw a long series of able but ambitious military commanders who used their legions to make themselves emperors. Law yielded to the sword, and the office of the emperor lost legitimacy. The nature of the army changed, and the economy weakened because of unsound policies.