There is a misunderstanding of what Sherman's campaign was designed to do.
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Plate LVIII The Official Military Atlas of the Civil War
We are all familiar with the highly detailed maps of the Atlanta Campaign & The March to the Sea. Every river, creek, railroad, town & house is shown in exacting detail. Sherman's personal map that he used on the March to the Sea is in the Library of Congress. What is not generally known is the existence of the map that made the March to the Sea possible.
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Grant's order to Sherman was to penetrate the interior of Georgia in order to inflict maximum damage to the food source that fed the rebellion. Almost from the first step, Southern newspaper headlines screamed in outrage. Sherman was accused of engaging in random acts of barbaric, pointless vandalism. Nothing could have been further from the truth. There was nothing random about what Sherman set out to do.
It is hard to see on this format, but the map above was a work of singular genius. Joseph Kennedy, superintendent of the census, combined the world class Coastal Survey maps with census data. Every county in Georgia was depicted with its slave population, mule production, hogs, corn etc.
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Using this detailed map, Sherman wrote his marching orders targeting the most productive counties along his route.
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As you can see, the information included was very comprehensive. The route the March took was designed to inflict maximum damage while providing his army with ample rations. By making feints at Macon & Augusta, Sherman was able to completely befuddle the Confederate high command. His vulnerable flank swept past the forces guarding those points, leaving them in his wake impotent.
Compare both the strategic blow the destruction of the breadbasket of the South & shattering blow to morale of Sherman's March to Bragg's invasion of Kentucky. Nobody had mentioned to Bragg that 1862 was an El Niño year. Crops in Kentucky had died knee high. Pastures were nothing but brown stubble sticking out of dust. After two days battle at Perryville, Bragg had no option but to retreat because he only had a couple of day's rations. Every step his army took in Kentucky brought them to one drought ridden county after another. His horses were literally dropping dead & there were no remounts to be had, even in Kentucky.
A suggestion has been made that Jefferson Davis should have followed the Tsar's lead & engaged in a scorched earth counter move. A couple of things made that impractical. One, Davis did not have Kennedy's brilliant map. Second, Nobody knew where Sherman intended to go, not even his own army group commanders. Three, Even if Davis had known Sherman's intended path to the sea, ordering every house, barn & footsore destroyed on a sixty mile wide swath would have done Sherman's work for him. He would have just turned northward & joined Thomas or Grant.
Nothing about Sherman's planning for the March was left to chance. He had very specific goals that he pursued with single minded determination. Sherman stated that he would not have attempted the Atlanta Campaign or the March to the Sea without the brilliance of his map makers.