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Not only did some slaves vow to protect their “white folks,” as though the imminent arrival of the Yankees required a reaffirmation of loyalty, but they did what they could to ensure their safety. Preparing for the Union soldiers, a maid in Mary Chesnut’s household urged her mistress to burn the diary she had been keeping lest it fall into the hands of the enemy. During the siege of Vicksburg, Mary Ann Loughborough, along with her daughter and servants, took refuge in a cave and remained there during the Yankee bombardment; one of the servants stood guard, gun in hand, assuring his mistress that anyone who entered “would have to go over his body first.
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Leon F. Litwack (Been in the Storm So Long: The Aftermath of Slavery)