Completed the following sentence: As the Union Army under Major General William T. Sherman began to advance in Georgia in May 1864, Georgia Governor Joseph E. Brown appointed Carswell a brigadier general in the Georgia militia. Carswell<unk>led<unk>the<unk> 1st Brigade<unk>of<unk>the<unk> Georgia<unk> militia<unk>in<unk>opposition<unk>to<unk>the<unk> Union<unk>Army<unk>under<unk>Sherman<unk>during<unk>the<unk> Atlanta<unk> Campaign<unk>and<unk>Sherman<unk>'s<unk>March<unk>to<unk>the<unk> Sea. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
Battle of Atlanta on July 22, 1864 and during the subsequent siege of Atlanta until the fall of the city on September 2, 1864.