Yes, the lines around Kennesaw Mountain were impregnable. After twenty-five days of fighting, even General Sherman was convinced of this, for his losses were enormous. Instead of continuing the direct assault, he swung his army in a wide circle again and tried to come between the Confederates and Atlanta. Again, the strategy worked. Johnston was forced to abandon the heights he had held so well, in order to protect his rear. He had lost a third of his men in that fight and the remainder slogged tiredly through the rain across the country toward the Chattahoochee River. The Confederates could expect no more reinforcements, whereas the railroad, which the Yankees now held from Tennessee south to the battle line, brought Sherman fresh troops and supplies daily. So the gray lines went back thr
