Buchanan’s Administration the Prelude to the Civil War.—The administration of James Buchanan (1857-1861) marks an epoch. The question before the country was that of the extension of slavery into the new territories. Hardly had he been inaugurated when the Supreme Court handed down a decision on the case of Dred Scott, which denied the right of Congress to legislate on slavery, set aside the compromises of 1820 and 1850 as unconstitutional, and opened all the territories to slavery.
Rise of the Republican Party and Election of Lincoln.—From that moment the Whig and Democratic parties began to break up rapidly till, when 1860 came, four parties and four presidential candidates were in the field. The Democratic party, having finally split at the national convention for nominating a president and vice-president, the southern wing put forward Breckenridge and Lane and demanded that Congress should protect slavery in the territories. The northern wing nominated Stephen A. Douglas and declared for squatter sovereignty and the compromise of 1850. A third party, taking the name of “Constitutional Union,” declared for the Constitution and the Union at any price and no agitation of slavery, nominated Bell and Everett, and drew the support of the old Whigs of the Clay and Webster school. The Republicans, declaring that Congress should prohibit slavery in the territories, nominated Abraham Lincoln and Hannibal Hamlin and won the election.
Secession, and the Formation of the Confederacy.—The State of South Carolina immediately seceded and before the end of February, 1861, was followed by Georgia, Florida, Alabama, Mississippi, Louisiana, and Texas. Taking the name of the Confederate States of America, they formed first a temporary and then a permanent government, elected Jefferson Davis president, raised an army, and besieged Fort Sumter in Charleston Harbor. The attempt to relieve the fort brought on the bombardment and surrender (April 19, 1861). The Confederate States were now joined by Virginia, North Carolina, Arkansas, and Tennessee. Richmond was made the capital, and the Civil war opened.
Civil War between the Union and the Confederacy.—The line of separation between the states then became the Potomac River, the Ohio River, and a line across southern Missouri and Indian Territory to New Mexico. Along this line the troops of the Union were drawn up in many places under many commanders. Yet there were in the main but three great armies. That of the East or Potomac under General McClellan, that of the Center or the Ohio under General Buell, that of the West or Missouri under General Halleck. In command of all as Lieutenant-General was Winfield Scott. Confronting them were the troops of the Confederacy, drawn up in three corresponding armies: that of North Virginia under Johnston and Lee, that of the Cumberland under Albert Sidney Johnston, and that of the trans-Mississippi under McCulloch and Price.
Yielding to the demand of the North for the capture of Richmond before the Confederate Congress could meet there (July 20, 1861), McDowell went forth with thirty-eight thousand three-months volunteers to the ever memorable field of Bull Run.
The Union Successes in the Southwest.—But the serious campaigning did not begin until January, 1862. Then the whole line west of the Alleghanies (made up of the armies of Ohio and Missouri), turning on Pittsburgh as a center, swept southward, captured Forts Henry and Donelson, defeated the Confederates at Shiloh, captured Corinth, took Island Number 10, and drove them from Fort Pillow. Meantime Farragut entered the Mississippi from the Gulf, passed Forts Jackson and St. Philip, captured New Orleans, and sent Commodore Davis up the river to take Memphis. Memphis fell June 6, 1862, and, save for Vicksburg, the Mississippi was open for navigation. When the year closed the Confederates had been driven to the east into the mountains of Tennessee, where, December 31, 1862 to January 2, 1863, was fought the desperate and bloody battle of Murfreesboro. The Union troops won, and the Confederate army fell back to Chattanooga.
The Peninsular Campaign Favors Confederate Arms.—With the Army of the Potomac meantime all had gone ill. The affair at Bull Run in July, 1861, had been followed by the transfer of the army to McClellan. But McClellan wasted time, wore out the patience of the North, and forced Lincoln to issue General Order Number One for the forward movement of all armies on February 22, 1862. Obedient to this McClellan began his Peninsular Campaign against Richmond, was out-generaled by Lee, and in the second battle of Bull Run suffered so crushing a defeat that Lee ventured to cross the Potomac and enter Maryland, and encountered McClellan, on the field of Antietam. In that battle Lee was beaten and fled across the Potomac. But McClellan failed to follow up the victory and was removed, the command of the Army of the Potomac passing to Burnside. Burnside led it across the Potomac and the Rappahannock and on December 13, 1862, lost the battle of Fredericksburg. For this he was replaced by Hooker, who, May 1-4, 1863, fought and lost the battle of Chancellorsville.
The Turning Point of the War.—Lee now again took the offensive, crossed the Potomac, entered Pennsylvania, and at Gettysburg met the Army of the Potomac under Meade. On that field was fought the decisive battle of the war. Then (July 1-4, 1863) the backbone of the Confederacy was broken, and the two armies returned to their old positions in Virginia.
While Meade was beating Lee at Gettysburg, Grant captured Vicksburg, July 1-3, 1863. For this he was sent to command the army of Rosecrans, then besieged by Bragg at Chattanooga. Again success attended him, and in November he stormed Lookout Mountain, defeated Bragg in the famous “Battle above the Clouds,” and drove him in disorder through the mountains. For these signal victories he was raised to the rank of Lieutenant General in 1864, and placed in command of the armies of the United States.