Answer:
He converted because he was about to lose his free will and his gods were not helping him when his army was facing destruction which caused him to loose faith in them and turn towards Christianity.
Explanation:
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By crossing Georgia virtually unopposed , they had demonstrated that the confederacy was dying on its feet . So South Carolina was the state that had started the whole war , and Sherman was keen to start punitive raids on South Carolina .
Joseph, Saul, nebuchadnezzar, Cyrus, Joshua, David, Solomon, Moses, Abraham,Jacob