civil war

American Civil War

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American Civil War
The Battle of Gettysburg
Date April 12, 1861 – April 9, 1865 (last shot fired June 22, 1865) Location Southern United States, Northeastern United States, Western United States, Atlantic Ocean Result Union victory Territorial integrity of the United States of America preserved Reconstruction Slavery abolished
Belligerents
United States of America	Confederate States of America
Commanders and leaders
Abraham Lincoln Winfield Scott George B. McClellan Henry Wager Halleck Ulysses S. Grant Gideon Welles and others	Jefferson Davis P. G. T. Beauregard Joseph E. Johnston Robert E. Lee Stephen Mallory and others
Strength
2,100,000	1,064,000
Casualties and losses
140,414 killed in action[1] ~ 365,000 total dead[1] 275,200 wounded	72,524 killed in action[1] ~ 260,000 total dead 137,000+ wounded

[show]v · d · e Theaters of the American Civil War

The American Civil War (1861–1865) was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ("the Confederacy"); the other 25 states supported the federal government ("the Union"). After four years of warfare, mostly within the Southern states, the Confederacy surrendered and slavery was outlawed everywhere in the nation. Issues that led to war were partially resolved in the Reconstruction Era that followed, though others remained unresolved.
In the presidential election of 1860, the Republican Party, led by Abraham Lincoln, had campaigned against expanding slavery beyond the states in which it already existed. The Republicans strongly advocated nationalism, and in their 1860 platform they denounced threats of disunion as avowals of treason. After a Republican victory, but before the new administration took office on March 4, 1861, seven cotton states declared their secession and joined to form the Confederate States of America. Both the outgoing administration of President James Buchanan and the incoming administration rejected the legality of secession, considering it rebellion. The other eight slave states rejected calls for secession at this point. No country in the world recognized the Confederacy.
Hostilities began on April 12, 1861, when Confederate forces attacked a U.S. military installation at Fort Sumter in South Carolina. Lincoln responded by calling for a volunteer army from each state to recapture federal property, which led to declarations of secession by four more slave states. Both sides raised armies as the Union seized control of the border states early in the war and established a naval blockade. Land warfare in the East was inconclusive in 1861–62, as the Confederacy beat back Union efforts to capture its capital, Richmond, Virginia, notably during the Peninsular Campaign. In September 1862, the confederate campaign in Maryland ended in defeat at the Battle of Antietam, which dissuaded the British from intervening.^[2] Days after that battle, Lincoln issued the Emancipation Proclamation, which made ending slavery a war goal.^[3]
In 1863, confederate general Robert E. Lee's northward advance ended in defeat at the Battle of Gettysburg. To the west, the Union gained control of the Mississippi River after the Battle of Shiloh and Siege of Vicksburg, splitting the Confederacy in two and destroying much of their western army. Due to his western successes, Ulysses S. Grant was given command of the eastern army in 1864, and organized the armies of William Tecumseh Sherman, Philip Sheridan and others to attack the Confederacy from all directions, increasing the North's advantage in manpower. Grant restructured the union army, and put other generals in command of divisions of the army that were to support his push into Virginia. He led the Overland Campaign to seize Richmond, though in the face of fierce resistance he altered his plans and led the Siege of Petersburg which nearly finished off the rest of Lee's army. Meanwhile, Sherman captured Atlanta and marched to the sea, destroying Confederate infrastructure along the way. When the Confederate attempt to defend Petersburg failed, the Confederate army retreated but was pursued and defeated, which resulted in Lee's surrender to Grant at Appomattox Court House on April 9, 1865.
The American Civil War was one of the earliest true industrial wars. Railroads, the telegraph, steamships, and mass-produced weapons were employed extensively. The practices of total war, developed by Sherman in Georgia, and of trench warfare around Petersburg foreshadowed World War I in Europe. It remains the deadliest war in American history, resulting in the deaths of 620,000 soldiers and an undetermined number of civilian casualties. Historian John Huddleston estimates the death toll at ten percent of all Northern males 20–45 years old, and 30 percent of all Southern white males aged 18–40.^[4] Victory for the North meant the end of the Confederacy and of slavery in the United States, and strengthened the role of the federal government. The social, political, economic and racial issues of the war decisively shaped the reconstruction era that lasted to 1877.