Answer:
Constantine I transformed Byzantium into the new capitol of Constantinople.
To ensure that Kansas would be a free state.
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Both are strengths because they coexist. It is beauty to exist in harmony and still love and embrace our differences. America is a melting pot, full of different people, colors, places, and beliefs but even still it is known as "America", the one country that is well respected and admired because of the power it holds.
Alexander destroyed Thebes because he was using it as an example to other Greeks of what would happen if they turned against him.
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