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 | Emperor Constantine 1 helped the rise of the Roman Empire | |
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| I built the city Constantinople and split the empire into East and West | |
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| Constantine gave strength to the Roman Empire during the 4th century | |
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| I made civil, economic and military changes that improved the empire | |
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| Constantine was the first Roman emperor to convert to Christianity | |
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| I declared tolerance for Christianity in the Roman Empire | |
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