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 his fleet, under cover of the darkness of night, succeeded in passing the batteries, with the loss of one vessel and serious damage to others. This movement on the water, followed by the marching of the army down the west bank, unmistakably indicated to General Pemberton, Confederate commandant, the plan and purpose of the campaign. He promptly withdrew the most of his army from the breastworks, crossed the Big Black River, and so disposed his men as to retard or arrest altogether the march of General Grant. General Pemberton's plan was to form a junction with General Johnston, who was on his way to take part in the defence of Vicksburg. General Grant succeeded in interposing his army between Johnston and Pemberton, gave battle to Johnston at Jackson, and obliged him to fall back northward to Canton. Heavy and obstinate battles were fought at Baker's Creek, Champion Hills and at Big Black. Pemberton, failing to unite forces with Johnston, deemed it prudent to recross the Big Black, return and re-occupy his trenches round the city. General Grant followed and closely invested the Confederate works, placing his army behind breastworks and in trenches. Two or three gallant