American Civil War

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	Confederate States
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 ~ 365,000 total dead 275,200 wounded	72,524 killed in action ~ 260,000 total dead 137,000+ wounded

The American Civil War (1861–1865), often referred to simply as The Civil War in the United States, 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.