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Which emperor introduced the tetrarchy system in the Roman Empire?

  • Augustus

  • Constantine I

  • Diocletian

  • Theodosius I

Answer

Diocletian introduced the tetrarchy system in 286 AD to address the challenges of governing the vast Roman Empire. This system involved two senior emperors (Augusti) and two junior emperors (Caesars), with one senior and one junior emperor ruling the Eastern and Western halves of the empire.
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