McClellan's forces gained possession of the greater part of the territory in the summer of 1861, and Union control was never seriously threatened, in spite of Lee's attempt in the same year.
McClellan as president of the Illinois Central railway.
When McClellan entered upon his Peninsular Campaign in 1862 the important duty of defending Washington from the army of "Stonewall" Jackson fell to the corps commanded by Banks.
In 1864 he returned to Ohio, took active part in the campaign of that year, wrote part of the National Democratic platform at Chicago, and assisted to nominate McClellan for the presidency.
There were soldiers more accomplished, as was McClellan, more brilliant, as was Rosecrans, and more exact, as was Buell,.