... I passed him after daylight on the 15th. He said that he found it difficult to arouse and push on the tired men, who had fallen out by the wayside to get a few minutes' sleep. If the battle of South Mountain was fought to prevent the advance of McClellan, it was a failure on the part of the Confederates. If it was fought to save Lee's trains and artillery, and to reunite his scattered forces, it was a ...