Sherman was so distressed by the seeming magnitude of his burden that he soon asked to be relieved; and when Brigadier-General Buell was sent to succeed him in command of that part of Kentucky lying east of the Cumberland River, it was the expectation of the President that he would devote his main attention and energy to the accomplishment of a specific object which Mr. Lincoln had very much at heart.
Ever since the days in June, when President Lincoln had presided over the council of war which discussed and decided upon the Bull Run campaign, he had devoted every spare moment of his time to the study of such military books and leading principles of the art of war as would aid him in solving questions that must necessarily come to himself for final decision. His acute perceptions, retentive memory, and unusual power of logic enabled him to make rapid progress in the acquisition of the fixed and accepted rules on which military writers agree. In this, as in other sciences, the main difficulty, of course, lies in applying fixed theories to variable conditions. When, however, we remember that at the outbreak of hostilities all the great commanders of the Civil War had experience only as captains and lieutenants, it is not strange
