The answer is Emperor Constantine.
He was a Roman King of Greek background who changed history by becoming the first Roman Emperor to convert to Christianity.
He also moved the capital of his Empire to Byzantium, modern-day Istanbul. The city bore his name for much of the next thousand or so years, being known as Constantinople.
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<em>A. they were on the losing side of a revolution.</em>
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The official birthplace of the industrial revolution is Britain. At the time, they were one of the most innovative countries in the world. This is because they had capital (money), harbors and docks for shipping, a population that was able to work in factories, and many roads/rivers for transporting goods. The industrial revolution spread to other countries like the United States.